search fields for travel and honorary are using foreign keys now, with the notation of double underscores

input/admin.py

@@ -66,7 +66,7 @@ class AccountAdmin(admin.ModelAdmin):
 @admin.register(HonoraryCertificate)
 class HonoraryCertificateAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = ['realname', 'granted']
+    search_fields = ['realname', 'granted', 'project__name', 'project__pid']
     list_display = ('realname', 'granted','project')
     date_hierarchy = 'granted_date'
     autocomplete_fields = ['project']
@@ -92,7 +92,7 @@ class IFGAdmin(admin.ModelAdmin):
 @admin.register(Travel)
 class TravelAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = ['realname', 'service_id', 'granted_date']
+    search_fields = ['realname', 'service_id', 'granted_date', 'project__name', 'project__pid']
     list_display = ('realname', 'service_id', 'granted', 'granted_date', 'project_end', 'project', 'project_end_quartal')
     list_display_links = ('realname', 'project')
     date_hierarchy = 'project_end'