diff --git a/src/app/basket/controllers/BasketController.php b/src/app/basket/controllers/BasketController.php
index 5afbaf92a4a43b78cc9060214b134bdc61433d8f..3f7429816886c69106d8b0de3699cf2300292456 100755
--- a/src/app/basket/controllers/BasketController.php
+++ b/src/app/basket/controllers/BasketController.php
@@ -75,7 +75,7 @@ class BasketController
             return $response->withStatus(400)->withJson(['errors' => _ID. ' ' . _ALREADY_EXISTS]);
         }
 
-        if (!PreparedClauseController::isRequestValid(['clause' => $data['clause'], 'userId' => $GLOBALS['login']])) {
+        if (!PreparedClauseController::isRequestValid(['clause' => $data['clause'], 'userId' => $GLOBALS['login'], 'limit' => 1])) {
             return $response->withStatus(400)->withJson(['errors' => _INVALID_CLAUSE]);
         }
 
diff --git a/src/app/contact/controllers/ContactController.php b/src/app/contact/controllers/ContactController.php
index 2b1a25997a7b1bd9f6cf1f4b41ad92cd4472afe2..e0249fee4325b44160c8c98464fac9b989c078f9 100755
--- a/src/app/contact/controllers/ContactController.php
+++ b/src/app/contact/controllers/ContactController.php
@@ -896,12 +896,10 @@ class ContactController
                     $order[] = 'custom_fields';
                 }
                 $customId = explode('_', $criterion)[1];
-                $criteria[] = "replace(lower(translate(custom_fields->>'" . $customId . "', 'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿŔŕ',
-                           'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyRr') ), ' ', '')";
+                $criteria[] = "replace(lower(unaccent(custom_fields->>'" . $customId . "') ), ' ', '')";
             } else {
                 $order[] = $allowedFields[$criterion];
-                $criteria[] = "replace(lower(translate(" . $allowedFields[$criterion] . ", 'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿŔŕ',
-                           'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyRr') ), ' ', '')";
+                $criteria[] = "replace(lower(unaccent(" . $allowedFields[$criterion] . ") ), ' ', '')";
             }
         }
 
diff --git a/src/app/resource/controllers/ResourceListController.php b/src/app/resource/controllers/ResourceListController.php
index 0397b00ae4f07a254e2ea1d0dd0cae5ef07568ea..396a4ca370390aa5e16de34c2c6957584ebb05ae 100644
--- a/src/app/resource/controllers/ResourceListController.php
+++ b/src/app/resource/controllers/ResourceListController.php
@@ -233,7 +233,7 @@ class ResourceListController
                 $queryData[] = "{$cleanSearch[1]}";
                 $queryData[] = "{$cleanSearch[1]}";
             } else {
-                $where[] = '(alt_identifier ilike ? OR translate(subject, \'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿŔŕ\', \'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyrr\') ilike translate(?, \'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿŔŕ\', \'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyrr\'))';
+                $where[] = '(alt_identifier ilike ? OR unaccent(subject) ilike unaccent(?))';
                 $queryData[] = "%{$args['data']['search']}%";
                 $queryData[] = "%{$args['data']['search']}%";
             }
@@ -1024,7 +1024,7 @@ class ResourceListController
             $where[] = 'process_limit_date < CURRENT_TIMESTAMP';
         }
         if (!empty($data['search']) && mb_strlen($data['search']) >= 2) {
-            $where[] = '(alt_identifier ilike ? OR translate(subject, \'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿŔŕ\', \'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyrr\') ilike translate(?, \'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûýýþÿŔŕ\', \'aaaaaaaceeeeiiiidnoooooouuuuybsaaaaaaaceeeeiiiidnoooooouuuyybyrr\'))';
+            $where[] = '(alt_identifier ilike ? OR unaccent(subject))';
             $queryData[] = "%{$data['search']}%";
             $queryData[] = "%{$data['search']}%";
         }