Perhaps you should try some spelling variations:
forquality control » quality control, _quality control, byquality control
22quality control » quality control, _quality control, byquality control
21 reliability » 2 reliability, 1 reliability, 11 reliability
20 reliability » 2 reliability, 10 reliability, 24 reliability
ic reliability » 5 reliability, 2 reliability, 7 reliability
9 reliability » 3 reliability, 5 reliability, 2 reliability
22 safety » 12 safety, 5 safety, 4 safety
a safety » a safe
2 safety » 5 safety, 4 safety, 3 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))%((((21 reliability) OR (20 reliability))) OR (((ic reliability) OR (9 reliability))))%((((22 safety) OR (a safety))) OR (2 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22quality control) or (forquality control))%((((21 reliability) or (20 reliability))) or (((ic reliability) or (9 reliability))))%((((22 safety) OR (a safety))) or (2 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (forquality control))%((((21 reliability) or (20 reliability))) or (((ic reliability) or (9 reliability))))%((((22 safety) OR (a safety))) or (2 safety)) and risk%22*.