Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, qouality control
quality controls » quality control, qualite controle, quality concepts
ic reliability » 2 reliability, 7 reliability, 8 reliability
1 reliability » 3 reliability, 2 reliability, 7 reliability
5 reliability » 3 reliability
22 safety » 2 safety, 12 safety, 5 safety

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 (quality controls))%((1 reliability) OR (((ic reliability) OR (5 reliability))))%22 safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (quality controls))%((1 reliability) or (((ic reliability) or (5 reliability))))%22 safety and risk%22*.