diff --git a/hb_server/apps/pm/views.py b/hb_server/apps/pm/views.py
index 3ed71f8..53a6e00 100644
--- a/hb_server/apps/pm/views.py
+++ b/hb_server/apps/pm/views.py
@@ -41,7 +41,7 @@ class ProductionPlanViewSet(CreateUpdateModelAMixin, ListModelMixin, CreateModel
     perms_map = {'*': '*'}
     queryset = ProductionPlan.objects.select_related('order', 'order__contract', 'product')
     serializer_class = ProductionPlanSerializer
-    search_fields = ['number']
+    search_fields = ['number', 'order__number', 'order__contract__number', 'product__number']
     filterset_fields = ['product', 'order']
     ordering_fields = ['id']
     ordering = ['-id']