Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
10 reliability » 3 reliability, 2 reliability, 5 reliability
ic reliability » 2 reliability, 5 reliability, 8 reliability
9 reliability » 3 reliability, 2 reliability, 5 reliability
2 safety » _ safety, a safety, 4 safety
5 safety » _ safety, a safety

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%((10 reliability) OR (((ic reliability) OR (9 reliability))))%((2 safety) OR (5 safety)) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %22quality control%((10 reliability) or (((ic reliability) or (9 reliability))))%((2 safety) or (5 safety)) and risk%22*.