Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, forquality control
byquality control » quality control, _quality control, forquality control
24 reliability » 2.4 reliability, 14 reliability, 2.6 reliability
29 reliability » 9 reliability, 2.6 reliability, 2.2 reliability
ic reliability » 5 reliability, 9 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
4 reliability » 3 reliability, 5 reliability
2 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 (byquality control))%((((((((24 reliability) OR (29 reliability))) OR (2 reliability))) OR (4 reliability))) OR (ic reliability))%2 safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22quality control) OR (byquality control))%((((((((24 reliability) or (29 reliability))) or (2 reliability))) or (4 reliability))) or (ic reliability))%2 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((22quality control) OR (byquality control))%((((((((24 reliability) or (29 reliability))) or (2 reliability))) or (4 reliability))) or (ic reliability))%2 safety and risk%22*.