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