diff -r 52169c718513 -r 5b47eab083f3 server/src/app/Http/Controllers/Api/LanguageController.php
--- a/server/src/app/Http/Controllers/Api/LanguageController.php	Thu Oct 20 17:27:36 2016 +0200
+++ b/server/src/app/Http/Controllers/Api/LanguageController.php	Thu Oct 20 19:14:37 2016 +0200
@@ -4,6 +4,7 @@
 
 use Illuminate\Http\Request;
 use CorpusParole\Http\Controllers\Controller;
+use CorpusParole\Libraries\Filters\CorpusFilterManager;
 
 use Es;
 
@@ -17,7 +18,11 @@
     public function index(Request $request)
     {
 
-        $query = [ "match_all" => []];
+        $filterManager = new CorpusFilterManager();
+        $filters = $filterManager->prepareFilters($request);
+        unset($filters['language']);
+        $qFilterParts = $filterManager->buildESFilters($filters);
+        $query = $filterManager->buildQuery($qFilterParts);
 
         $esQuery = [
             'index' => env('ELASTICSEARCH_INDEX'),