diff --git a/include/Product.php b/include/Product.php
index 5b3d7d0..ba6611e 100644
--- a/include/Product.php
+++ b/include/Product.php
@@ -142,7 +142,9 @@ class Product extends Entity {
         }
 
         if($matchAll && array_diff_assoc($terms, $matches)) {
-            var_dump(array_diff_assoc($terms, $matches));
+            var_dump($terms, $matches);
+            // var_dump(expression);
+            // var_dump(array_diff_assoc($terms, $matches));
             return array();
         }
         return $matches;