Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, forquality control
byquality control » quality control, _quality control, forquality control
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 5 reliability
3 reliability » 5 reliability
22 safety » 5 safety, 4 safety, 3 safety
12 safety » 10 safety, 11 safety, 1 safety
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 (byquality control))%((2 reliability) OR (((ic reliability) OR (3 reliability))))%((2 safety) OR (((22 safety) OR (12 safety)))) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22quality control) OR (byquality control))%((2 reliability) or (((ic reliability) or (3 reliability))))%((2 safety) or (((22 safety) or (12 safety)))) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((22quality control) OR (byquality control))%((2 reliability) or (((ic reliability) or (3 reliability))))%((2 safety) or (((22 safety) or (12 safety)))) and risk%22*.