Perhaps you should try some spelling variations:
byquality control » quality control, _quality control, forquality control
quality controls » quality control, qualite controle, quality concepts
2 reliability » 3 reliability, 5 reliability
8 reliability » 3 reliability, 5 reliability, 4 reliability
23 safety » 3 safety, 2 safety, 13 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 controls) OR (byquality control))%((2 reliability) OR (8 reliability))%23 safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((quality controls) or (byquality control))%((2 reliability) or (8 reliability))%23 safety and risk%22*.