Perhaps you should try some spelling variations:
byquality control » quality control, _quality control, forquality control
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 5 reliability
3 reliability » 5 reliability
2 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: %byquality control%((2 reliability) OR (((ic reliability) OR (3 reliability))))%((5 safety) OR (2 safety)) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %byquality control%((2 reliability) or (((ic reliability) or (3 reliability))))%((5 safety) or (2 safety)) and risk%22*.