Perhaps you should try some spelling variations:
forquality control » byquality control, qouality control, fertility control
_quality control » byquality control, quality controls, qouality control
20 reliability » 2 reliability, 10 reliability, 24 reliability
5 reliability » 3 reliability, 2 reliability
2c safety » 2 safety, 22 safety, 23 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))))%((20 reliability) OR (5 reliability))%2c safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (((forquality control) or (quality control))))%((20 reliability) or (5 reliability))%2c safety and risk%22*.