diff --git a/config/search-string.php b/config/search-string.php
index e8721339e..55587007d 100644
--- a/config/search-string.php
+++ b/config/search-string.php
@@ -183,6 +183,58 @@ return [
         ],
     ],
 
+    App\Models\Purchase\Bill::class => [
+        'columns' => [
+            'document_number' => ['searchable' => true],
+            'order_number' => ['searchable' => true],
+            'status',
+            'issued_at' => ['date' => true],
+            'due_at' => ['date' => true],
+            'amount',
+            'currency_code' => [
+                'route' => 'currencies.index'
+            ],
+            'contact_id' => [
+                'route' => 'vendors.index'
+            ],
+            'contact_name' => ['searchable' => true],
+            'contact_email' => ['searchable' => true],
+            'contact_tax_number',
+            'contact_phone' => ['searchable' => true],
+            'contact_address' => ['searchable' => true],
+            'category_id' => [
+                'route' => 'categories.index'
+            ],
+            'parent_id',
+        ],
+    ],
+
+    App\Models\Sale\Invoice::class => [
+        'columns' => [
+            'document_number' => ['searchable' => true],
+            'order_number' => ['searchable' => true],
+            'status',
+            'issued_at' => ['date' => true],
+            'due_at' => ['date' => true],
+            'amount',
+            'currency_code' => [
+                'route' => 'currencies.index'
+            ],
+            'contact_id' => [
+                'route' => 'customers.index'
+            ],
+            'contact_name' => ['searchable' => true],
+            'contact_email' => ['searchable' => true],
+            'contact_tax_number',
+            'contact_phone' => ['searchable' => true],
+            'contact_address' => ['searchable' => true],
+            'category_id' => [
+                'route' => 'categories.index'
+            ],
+            'parent_id',
+        ],
+    ],
+
     App\Models\Setting\Category::class => [
         'columns' => [
             'name' => ['searchable' => true],