[Minor Change] Updated queries.py
diff --git a/erpnext/controllers/queries.py b/erpnext/controllers/queries.py
index e3f3f89..6261e58 100644
--- a/erpnext/controllers/queries.py
+++ b/erpnext/controllers/queries.py
@@ -217,7 +217,7 @@
from `tabDelivery Note`
where `tabDelivery Note`.`%(key)s` like %(txt)s and
`tabDelivery Note`.docstatus = 1 and status not in ("Stopped", "Closed") %(fcond)s
- and `tabDelivery Note`.per_billed < 100
+ and (`tabDelivery Note`.per_billed < 100 or `tabDelivery Note`.grand_total = 0)
%(mcond)s order by `tabDelivery Note`.`%(key)s` asc
limit %(start)s, %(page_len)s""" % {
"key": searchfield,