Perhaps you should try some spelling variations:
forquality control » quality control, byquality control, qouality control
_quality control » quality control, byquality control, quality controls
2c reliability » 2 reliability, 24 reliability, ic reliability
9 reliability » 3 reliability, 2 reliability, 5 reliability
2 safety » a safety, 5 safety, 4 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) OR (forquality control))%((2c reliability) OR (9 reliability))%((_ safety) OR (2 safety)) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (forquality control))%((2c reliability) or (9 reliability))%((_ safety) or (2 safety)) and risk%22*.