Perhaps you should try some spelling variations:
forquality control » byquality control, qouality control, fertility control
_quality control » byquality control, quality controls, qouality control
2.2 reliability » 1.2 reliability, 2.6 reliability, 12 reliability
5 reliability » 3 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) OR (((forquality control) OR (_quality control))))%((2.2 reliability) OR (5 reliability))%2 safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((quality control) or (((forquality control) or (_quality control))))%((2.2 reliability) or (5 reliability))%2 safety and risk%22*.