Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
ic reliability » 3 reliability, 5 reliability, 7 reliability
2 reliability » 3 reliability, 5 reliability
23 safety » 3 safety, 2 safety, 13 safety
10 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%((2 reliability) OR (ic reliability))%((((23 safety) OR (_ safety))) OR (10 safety)) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %22quality control%((2 reliability) or (ic reliability))%((((23 safety) or (_ safety))) or (10 safety)) and risk%22*.