Perhaps you should try some spelling variations:
forquality control » _quality control, byquality control, qouality control
22quality control » _quality control, byquality control, quality controls
21 reliability » 2 reliability, 1 reliability, 11 reliability
ic reliability » 2 reliability, 5 reliability, 9 reliability
12 safety » 2 safety, 11 safety, 1 safety
10 safety » _ safety, a 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: %((((22quality control) OR (quality control))) OR (forquality control))%((21 reliability) OR (ic reliability))%((12 safety) OR (10 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((22quality control) or (quality control))) or (forquality control))%((21 reliability) or (ic reliability))%((12 safety) OR (10 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((((22quality control) or (quality control))) or (forquality control))%((21 reliability) or (ic reliability))%((12 safety) OR (10 safety)) and risk%22*.