Perhaps you should try some spelling variations:
forquality control » quality control, _quality control, byquality control
22quality control » quality control, _quality control, byquality control
21 reliability » 2 reliability, 1 reliability, 11 reliability
ic reliability » 5 reliability, 2 reliability, 7 reliability
2 safety » 5 safety, 4 safety, 3 safety

Try widening your search to All Fields.

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 (forquality control))%((21 reliability) OR (ic reliability))%2 safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (forquality control))%((21 reliability) or (ic reliability))%2 safety and risk%22*.