Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, forquality control
byquality control » quality control, _quality control, forquality control
20 reliability » 2 reliability, 10 reliability, 24 reliability
ic reliability » 3 reliability, 5 reliability, 2 reliability
7 reliability » 3 reliability, 5 reliability, 2 reliability
a safety » a safe

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %((22quality control) OR (byquality control))%((20 reliability) OR (((ic reliability) OR (7 reliability))))%a safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (byquality control))%((20 reliability) or (((ic reliability) or (7 reliability))))%a safety and risk%22*.