diff --git a/Search/SearchProvider.php b/Search/SearchProvider.php
index 035b1e165..9d02a3f10 100644
--- a/Search/SearchProvider.php
+++ b/Search/SearchProvider.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace Chill\MainBundle\Search;
 
 use Chill\MainBundle\Search\SearchInterface;
@@ -11,6 +12,7 @@ use Chill\MainBundle\Search\SearchInterface;
  */
 class SearchProvider
 {
+
     /**
      * 
      * @var SearchInterface[]
@@ -27,6 +29,7 @@ class SearchProvider
      *
      * @return SearchInterface[], with an int as array key
      */
+
     public function getByOrder()
     {
         //sort the array
@@ -36,10 +39,10 @@ class SearchProvider
             }
             return ($a->getOrder() < $b->getOrder()) ? -1 : 1;
         });
-                
+
         return $this->searchServices;
     }
-    
+
     /**
      * parse the search string to extract domain and terms
      * 
@@ -51,68 +54,68 @@ class SearchProvider
         //reset must be extracted
         $this->mustBeExtracted = array();
         //filter to lower and remove accentued
-        $filteredPattern = mb_strtolower($pattern);
-        
-        $terms = $this->extractTerms($filteredPattern);      
+        $filteredPattern = mb_strtolower($this->remove_accents($pattern));
+
+        $terms = $this->extractTerms($filteredPattern);
         $terms['_domain'] = $this->extractDomain($filteredPattern);
         $terms['_default'] = $this->extractDefault($filteredPattern);
-        
+
         return $terms;
     }
-    
+
     private function extractDomain(&$subject)
     {
-        preg_match_all( '/@([a-z]+)/', $subject, $terms);
-        
+        preg_match_all('/@([a-z]+)/', $subject, $terms);
+
         if (count($terms[0]) > 1) {
             throw new ParsingException('You should not have more than one domain');
         }
-        
+
         //add pattern to be extracted
         if (isset($terms[0][0])) {
             $this->mustBeExtracted[] = $terms[0][0];
         }
-        
+
         return isset($terms[1][0]) ? $terms[1][0] : NULL;
     }
-    
+
     private function extractTerms(&$subject)
     {
         $terms = array();
         preg_match_all('/([a-z]+):([\w\-]+|\([^\(\r\n]+\))/', $subject, $matches);
-        
+
         foreach ($matches[2] as $key => $match) {
             //remove from search pattern
             $this->mustBeExtracted[] = $matches[0][$key];
-             //strip parenthesis
-            if (mb_substr($match, 0, 1) === '(' && 
+            //strip parenthesis
+            if (mb_substr($match, 0, 1) === '(' &&
                   mb_substr($match, mb_strlen($match) - 1) === ')') {
-                $match = trim(mb_substr($match, 1, mb_strlen($match)-2));
+                $match = trim(mb_substr($match, 1, mb_strlen($match) - 2));
             }
             $terms[$matches[1][$key]] = $match;
         }
-        
+
         return $terms;
     }
-    
+
     /**
      * store string which must be extracted to find default arguments
      * 
      * @var string[]
      */
     private $mustBeExtracted = array();
-    
+
     /**
      * extract default (residual) arguments
      * 
      * @param string $subject
      * @return string
      */
-    private function extractDefault($subject) {
+    private function extractDefault($subject)
+    {
         return trim(str_replace($this->mustBeExtracted, '', $subject));
     }
-    
-    
+
     /**
      * search through services which supports domain and give
      * results as html string
@@ -126,13 +129,13 @@ class SearchProvider
     {
         $terms = $this->parse($pattern);
         $results = array();
-        
+
         foreach ($searchServices as $service) {
             if ($service->supports($terms['_domain'])) {
                 $results[] = $service->renderResult($terms, $start, $limit);
             }
         }
-    
+
         return $results;
     }
 
@@ -146,9 +149,9 @@ class SearchProvider
     public function getByName($name)
     {
         if (isset($this->searchServices[$name])) {
-            return $this->searchServices; 
+            return $this->searchServices;
         } else {
-          throw new UnknowSearchNameException($name);
+            throw new UnknowSearchNameException($name);
         }
     }
 
@@ -156,4 +159,247 @@ class SearchProvider
     {
         $this->searchServices[$name] = $service;
     }
-}
\ No newline at end of file
+
+    /**
+     * Converts all accent characters to ASCII characters.
+     *
+     * If there are no accent characters, then the string given is just returned.
+     *
+     * Imported from wordpress : https://core.trac.wordpress.org/browser/tags/4.1/src/wp-includes/formatting.php?order=name
+     *
+     * @param string $string Text that might have accent characters
+     * @return string Filtered string with replaced "nice" characters.
+     * @license GNU GPLv2 : https://core.trac.wordpress.org/browser/tags/4.1/src/license.txt
+     */
+    private function remove_accents($string)
+    {
+        if (!preg_match('/[\x80-\xff]/', $string))
+            return $string;
+
+        //if ($this->seems_utf8($string)) { // remove from wordpress: we use only UTF-8
+        if (true) {
+            $chars = array(
+               // Decompositions for Latin-1 Supplement
+               chr(194) . chr(170) => 'a', chr(194) . chr(186) => 'o',
+               chr(195) . chr(128) => 'A', chr(195) . chr(129) => 'A',
+               chr(195) . chr(130) => 'A', chr(195) . chr(131) => 'A',
+               chr(195) . chr(132) => 'A', chr(195) . chr(133) => 'A',
+               chr(195) . chr(134) => 'AE', chr(195) . chr(135) => 'C',
+               chr(195) . chr(136) => 'E', chr(195) . chr(137) => 'E',
+               chr(195) . chr(138) => 'E', chr(195) . chr(139) => 'E',
+               chr(195) . chr(140) => 'I', chr(195) . chr(141) => 'I',
+               chr(195) . chr(142) => 'I', chr(195) . chr(143) => 'I',
+               chr(195) . chr(144) => 'D', chr(195) . chr(145) => 'N',
+               chr(195) . chr(146) => 'O', chr(195) . chr(147) => 'O',
+               chr(195) . chr(148) => 'O', chr(195) . chr(149) => 'O',
+               chr(195) . chr(150) => 'O', chr(195) . chr(153) => 'U',
+               chr(195) . chr(154) => 'U', chr(195) . chr(155) => 'U',
+               chr(195) . chr(156) => 'U', chr(195) . chr(157) => 'Y',
+               chr(195) . chr(158) => 'TH', chr(195) . chr(159) => 's',
+               chr(195) . chr(160) => 'a', chr(195) . chr(161) => 'a',
+               chr(195) . chr(162) => 'a', chr(195) . chr(163) => 'a',
+               chr(195) . chr(164) => 'a', chr(195) . chr(165) => 'a',
+               chr(195) . chr(166) => 'ae', chr(195) . chr(167) => 'c',
+               chr(195) . chr(168) => 'e', chr(195) . chr(169) => 'e',
+               chr(195) . chr(170) => 'e', chr(195) . chr(171) => 'e',
+               chr(195) . chr(172) => 'i', chr(195) . chr(173) => 'i',
+               chr(195) . chr(174) => 'i', chr(195) . chr(175) => 'i',
+               chr(195) . chr(176) => 'd', chr(195) . chr(177) => 'n',
+               chr(195) . chr(178) => 'o', chr(195) . chr(179) => 'o',
+               chr(195) . chr(180) => 'o', chr(195) . chr(181) => 'o',
+               chr(195) . chr(182) => 'o', chr(195) . chr(184) => 'o',
+               chr(195) . chr(185) => 'u', chr(195) . chr(186) => 'u',
+               chr(195) . chr(187) => 'u', chr(195) . chr(188) => 'u',
+               chr(195) . chr(189) => 'y', chr(195) . chr(190) => 'th',
+               chr(195) . chr(191) => 'y', chr(195) . chr(152) => 'O',
+               // Decompositions for Latin Extended-A
+               chr(196) . chr(128) => 'A', chr(196) . chr(129) => 'a',
+               chr(196) . chr(130) => 'A', chr(196) . chr(131) => 'a',
+               chr(196) . chr(132) => 'A', chr(196) . chr(133) => 'a',
+               chr(196) . chr(134) => 'C', chr(196) . chr(135) => 'c',
+               chr(196) . chr(136) => 'C', chr(196) . chr(137) => 'c',
+               chr(196) . chr(138) => 'C', chr(196) . chr(139) => 'c',
+               chr(196) . chr(140) => 'C', chr(196) . chr(141) => 'c',
+               chr(196) . chr(142) => 'D', chr(196) . chr(143) => 'd',
+               chr(196) . chr(144) => 'D', chr(196) . chr(145) => 'd',
+               chr(196) . chr(146) => 'E', chr(196) . chr(147) => 'e',
+               chr(196) . chr(148) => 'E', chr(196) . chr(149) => 'e',
+               chr(196) . chr(150) => 'E', chr(196) . chr(151) => 'e',
+               chr(196) . chr(152) => 'E', chr(196) . chr(153) => 'e',
+               chr(196) . chr(154) => 'E', chr(196) . chr(155) => 'e',
+               chr(196) . chr(156) => 'G', chr(196) . chr(157) => 'g',
+               chr(196) . chr(158) => 'G', chr(196) . chr(159) => 'g',
+               chr(196) . chr(160) => 'G', chr(196) . chr(161) => 'g',
+               chr(196) . chr(162) => 'G', chr(196) . chr(163) => 'g',
+               chr(196) . chr(164) => 'H', chr(196) . chr(165) => 'h',
+               chr(196) . chr(166) => 'H', chr(196) . chr(167) => 'h',
+               chr(196) . chr(168) => 'I', chr(196) . chr(169) => 'i',
+               chr(196) . chr(170) => 'I', chr(196) . chr(171) => 'i',
+               chr(196) . chr(172) => 'I', chr(196) . chr(173) => 'i',
+               chr(196) . chr(174) => 'I', chr(196) . chr(175) => 'i',
+               chr(196) . chr(176) => 'I', chr(196) . chr(177) => 'i',
+               chr(196) . chr(178) => 'IJ', chr(196) . chr(179) => 'ij',
+               chr(196) . chr(180) => 'J', chr(196) . chr(181) => 'j',
+               chr(196) . chr(182) => 'K', chr(196) . chr(183) => 'k',
+               chr(196) . chr(184) => 'k', chr(196) . chr(185) => 'L',
+               chr(196) . chr(186) => 'l', chr(196) . chr(187) => 'L',
+               chr(196) . chr(188) => 'l', chr(196) . chr(189) => 'L',
+               chr(196) . chr(190) => 'l', chr(196) . chr(191) => 'L',
+               chr(197) . chr(128) => 'l', chr(197) . chr(129) => 'L',
+               chr(197) . chr(130) => 'l', chr(197) . chr(131) => 'N',
+               chr(197) . chr(132) => 'n', chr(197) . chr(133) => 'N',
+               chr(197) . chr(134) => 'n', chr(197) . chr(135) => 'N',
+               chr(197) . chr(136) => 'n', chr(197) . chr(137) => 'N',
+               chr(197) . chr(138) => 'n', chr(197) . chr(139) => 'N',
+               chr(197) . chr(140) => 'O', chr(197) . chr(141) => 'o',
+               chr(197) . chr(142) => 'O', chr(197) . chr(143) => 'o',
+               chr(197) . chr(144) => 'O', chr(197) . chr(145) => 'o',
+               chr(197) . chr(146) => 'OE', chr(197) . chr(147) => 'oe',
+               chr(197) . chr(148) => 'R', chr(197) . chr(149) => 'r',
+               chr(197) . chr(150) => 'R', chr(197) . chr(151) => 'r',
+               chr(197) . chr(152) => 'R', chr(197) . chr(153) => 'r',
+               chr(197) . chr(154) => 'S', chr(197) . chr(155) => 's',
+               chr(197) . chr(156) => 'S', chr(197) . chr(157) => 's',
+               chr(197) . chr(158) => 'S', chr(197) . chr(159) => 's',
+               chr(197) . chr(160) => 'S', chr(197) . chr(161) => 's',
+               chr(197) . chr(162) => 'T', chr(197) . chr(163) => 't',
+               chr(197) . chr(164) => 'T', chr(197) . chr(165) => 't',
+               chr(197) . chr(166) => 'T', chr(197) . chr(167) => 't',
+               chr(197) . chr(168) => 'U', chr(197) . chr(169) => 'u',
+               chr(197) . chr(170) => 'U', chr(197) . chr(171) => 'u',
+               chr(197) . chr(172) => 'U', chr(197) . chr(173) => 'u',
+               chr(197) . chr(174) => 'U', chr(197) . chr(175) => 'u',
+               chr(197) . chr(176) => 'U', chr(197) . chr(177) => 'u',
+               chr(197) . chr(178) => 'U', chr(197) . chr(179) => 'u',
+               chr(197) . chr(180) => 'W', chr(197) . chr(181) => 'w',
+               chr(197) . chr(182) => 'Y', chr(197) . chr(183) => 'y',
+               chr(197) . chr(184) => 'Y', chr(197) . chr(185) => 'Z',
+               chr(197) . chr(186) => 'z', chr(197) . chr(187) => 'Z',
+               chr(197) . chr(188) => 'z', chr(197) . chr(189) => 'Z',
+               chr(197) . chr(190) => 'z', chr(197) . chr(191) => 's',
+               // Decompositions for Latin Extended-B
+               chr(200) . chr(152) => 'S', chr(200) . chr(153) => 's',
+               chr(200) . chr(154) => 'T', chr(200) . chr(155) => 't',
+               // Euro Sign
+               chr(226) . chr(130) . chr(172) => 'E',
+               // GBP (Pound) Sign
+               chr(194) . chr(163) => '',
+               // Vowels with diacritic (Vietnamese)
+               // unmarked
+               chr(198) . chr(160) => 'O', chr(198) . chr(161) => 'o',
+               chr(198) . chr(175) => 'U', chr(198) . chr(176) => 'u',
+               // grave accent
+               chr(225) . chr(186) . chr(166) => 'A', chr(225) . chr(186) . chr(167) => 'a',
+               chr(225) . chr(186) . chr(176) => 'A', chr(225) . chr(186) . chr(177) => 'a',
+               chr(225) . chr(187) . chr(128) => 'E', chr(225) . chr(187) . chr(129) => 'e',
+               chr(225) . chr(187) . chr(146) => 'O', chr(225) . chr(187) . chr(147) => 'o',
+               chr(225) . chr(187) . chr(156) => 'O', chr(225) . chr(187) . chr(157) => 'o',
+               chr(225) . chr(187) . chr(170) => 'U', chr(225) . chr(187) . chr(171) => 'u',
+               chr(225) . chr(187) . chr(178) => 'Y', chr(225) . chr(187) . chr(179) => 'y',
+               // hook
+               chr(225) . chr(186) . chr(162) => 'A', chr(225) . chr(186) . chr(163) => 'a',
+               chr(225) . chr(186) . chr(168) => 'A', chr(225) . chr(186) . chr(169) => 'a',
+               chr(225) . chr(186) . chr(178) => 'A', chr(225) . chr(186) . chr(179) => 'a',
+               chr(225) . chr(186) . chr(186) => 'E', chr(225) . chr(186) . chr(187) => 'e',
+               chr(225) . chr(187) . chr(130) => 'E', chr(225) . chr(187) . chr(131) => 'e',
+               chr(225) . chr(187) . chr(136) => 'I', chr(225) . chr(187) . chr(137) => 'i',
+               chr(225) . chr(187) . chr(142) => 'O', chr(225) . chr(187) . chr(143) => 'o',
+               chr(225) . chr(187) . chr(148) => 'O', chr(225) . chr(187) . chr(149) => 'o',
+               chr(225) . chr(187) . chr(158) => 'O', chr(225) . chr(187) . chr(159) => 'o',
+               chr(225) . chr(187) . chr(166) => 'U', chr(225) . chr(187) . chr(167) => 'u',
+               chr(225) . chr(187) . chr(172) => 'U', chr(225) . chr(187) . chr(173) => 'u',
+               chr(225) . chr(187) . chr(182) => 'Y', chr(225) . chr(187) . chr(183) => 'y',
+               // tilde
+               chr(225) . chr(186) . chr(170) => 'A', chr(225) . chr(186) . chr(171) => 'a',
+               chr(225) . chr(186) . chr(180) => 'A', chr(225) . chr(186) . chr(181) => 'a',
+               chr(225) . chr(186) . chr(188) => 'E', chr(225) . chr(186) . chr(189) => 'e',
+               chr(225) . chr(187) . chr(132) => 'E', chr(225) . chr(187) . chr(133) => 'e',
+               chr(225) . chr(187) . chr(150) => 'O', chr(225) . chr(187) . chr(151) => 'o',
+               chr(225) . chr(187) . chr(160) => 'O', chr(225) . chr(187) . chr(161) => 'o',
+               chr(225) . chr(187) . chr(174) => 'U', chr(225) . chr(187) . chr(175) => 'u',
+               chr(225) . chr(187) . chr(184) => 'Y', chr(225) . chr(187) . chr(185) => 'y',
+               // acute accent
+               chr(225) . chr(186) . chr(164) => 'A', chr(225) . chr(186) . chr(165) => 'a',
+               chr(225) . chr(186) . chr(174) => 'A', chr(225) . chr(186) . chr(175) => 'a',
+               chr(225) . chr(186) . chr(190) => 'E', chr(225) . chr(186) . chr(191) => 'e',
+               chr(225) . chr(187) . chr(144) => 'O', chr(225) . chr(187) . chr(145) => 'o',
+               chr(225) . chr(187) . chr(154) => 'O', chr(225) . chr(187) . chr(155) => 'o',
+               chr(225) . chr(187) . chr(168) => 'U', chr(225) . chr(187) . chr(169) => 'u',
+               // dot below
+               chr(225) . chr(186) . chr(160) => 'A', chr(225) . chr(186) . chr(161) => 'a',
+               chr(225) . chr(186) . chr(172) => 'A', chr(225) . chr(186) . chr(173) => 'a',
+               chr(225) . chr(186) . chr(182) => 'A', chr(225) . chr(186) . chr(183) => 'a',
+               chr(225) . chr(186) . chr(184) => 'E', chr(225) . chr(186) . chr(185) => 'e',
+               chr(225) . chr(187) . chr(134) => 'E', chr(225) . chr(187) . chr(135) => 'e',
+               chr(225) . chr(187) . chr(138) => 'I', chr(225) . chr(187) . chr(139) => 'i',
+               chr(225) . chr(187) . chr(140) => 'O', chr(225) . chr(187) . chr(141) => 'o',
+               chr(225) . chr(187) . chr(152) => 'O', chr(225) . chr(187) . chr(153) => 'o',
+               chr(225) . chr(187) . chr(162) => 'O', chr(225) . chr(187) . chr(163) => 'o',
+               chr(225) . chr(187) . chr(164) => 'U', chr(225) . chr(187) . chr(165) => 'u',
+               chr(225) . chr(187) . chr(176) => 'U', chr(225) . chr(187) . chr(177) => 'u',
+               chr(225) . chr(187) . chr(180) => 'Y', chr(225) . chr(187) . chr(181) => 'y',
+               // Vowels with diacritic (Chinese, Hanyu Pinyin)
+               chr(201) . chr(145) => 'a',
+               // macron
+               chr(199) . chr(149) => 'U', chr(199) . chr(150) => 'u',
+               // acute accent
+               chr(199) . chr(151) => 'U', chr(199) . chr(152) => 'u',
+               // caron
+               chr(199) . chr(141) => 'A', chr(199) . chr(142) => 'a',
+               chr(199) . chr(143) => 'I', chr(199) . chr(144) => 'i',
+               chr(199) . chr(145) => 'O', chr(199) . chr(146) => 'o',
+               chr(199) . chr(147) => 'U', chr(199) . chr(148) => 'u',
+               chr(199) . chr(153) => 'U', chr(199) . chr(154) => 'u',
+               // grave accent
+               chr(199) . chr(155) => 'U', chr(199) . chr(156) => 'u',
+            );
+
+            // Used for locale-specific rules
+            /* remove from wordpress
+            $locale = get_locale();
+
+            if ('de_DE' == $locale) {
+                $chars[chr(195) . chr(132)] = 'Ae';
+                $chars[chr(195) . chr(164)] = 'ae';
+                $chars[chr(195) . chr(150)] = 'Oe';
+                $chars[chr(195) . chr(182)] = 'oe';
+                $chars[chr(195) . chr(156)] = 'Ue';
+                $chars[chr(195) . chr(188)] = 'ue';
+                $chars[chr(195) . chr(159)] = 'ss';
+            } elseif ('da_DK' === $locale) {
+                $chars[chr(195) . chr(134)] = 'Ae';
+                $chars[chr(195) . chr(166)] = 'ae';
+                $chars[chr(195) . chr(152)] = 'Oe';
+                $chars[chr(195) . chr(184)] = 'oe';
+                $chars[chr(195) . chr(133)] = 'Aa';
+                $chars[chr(195) . chr(165)] = 'aa';
+            }*/
+
+            $string = strtr($string, $chars);
+        } /* remove from wordpress: we use only utf 8
+         * else {
+         
+            // Assume ISO-8859-1 if not UTF-8
+            $chars['in'] = chr(128) . chr(131) . chr(138) . chr(142) . chr(154) . chr(158)
+                  . chr(159) . chr(162) . chr(165) . chr(181) . chr(192) . chr(193) . chr(194)
+                  . chr(195) . chr(196) . chr(197) . chr(199) . chr(200) . chr(201) . chr(202)
+                  . chr(203) . chr(204) . chr(205) . chr(206) . chr(207) . chr(209) . chr(210)
+                  . chr(211) . chr(212) . chr(213) . chr(214) . chr(216) . chr(217) . chr(218)
+                  . chr(219) . chr(220) . chr(221) . chr(224) . chr(225) . chr(226) . chr(227)
+                  . chr(228) . chr(229) . chr(231) . chr(232) . chr(233) . chr(234) . chr(235)
+                  . chr(236) . chr(237) . chr(238) . chr(239) . chr(241) . chr(242) . chr(243)
+                  . chr(244) . chr(245) . chr(246) . chr(248) . chr(249) . chr(250) . chr(251)
+                  . chr(252) . chr(253) . chr(255);
+
+            $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
+
+            $string = strtr($string, $chars['in'], $chars['out']);
+            $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
+            $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
+            $string = str_replace($double_chars['in'], $double_chars['out'], $string);
+        } */
+
+        return $string;
+    }
+
+}
diff --git a/Tests/Search/SearchProviderTest.php b/Tests/Search/SearchProviderTest.php
index f921df1ae..5cf68ba52 100644
--- a/Tests/Search/SearchProviderTest.php
+++ b/Tests/Search/SearchProviderTest.php
@@ -105,7 +105,7 @@ class SearchProviderTest extends \PHPUnit_Framework_TestCase
     
     public function testAccentued()
     {
-        $this->markTestSkipped('accentued characters must be implemented');
+        //$this->markTestSkipped('accentued characters must be implemented');
         
         $terms = $this->p('manço bélier aztèque à saloù ê');
         
@@ -117,7 +117,7 @@ class SearchProviderTest extends \PHPUnit_Framework_TestCase
     
     public function testAccentuedCapitals()
     {
-        $this->markTestSkipped('accentued characters must be implemented');
+        //$this->markTestSkipped('accentued characters must be implemented');
         
         $terms = $this->p('MANÉÀ oÛ lÎ À');