Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, quality controls
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
9 reliability » 3 reliability, 5 reliability, 4 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: %_quality control%((2 reliability) OR (((ic reliability) OR (9 reliability))))%2 safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %_quality control%((2 reliability) or (((ic reliability) or (9 reliability))))%2 safety and risk%22*.