Perhaps you should try some spelling variations:
22quality control » quality control, byquality control, forquality control
_quality control » quality control, byquality control, quality controls
24 reliability » 2.4 reliability, 2 reliability, 20 reliability
14 reliability » 11 reliability, 13 reliability, 5 reliability
ic reliability » 5 reliability, 2 reliability, 7 reliability
3 reliability » 5 reliability
4 reliability » 5 reliability, 2 reliability
2 safety » 5 safety, 4 safety, 3 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))%((((((24 reliability) OR (((14 reliability) OR (3 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 (_quality control))%((((((24 reliability) or (((14 reliability) OR (3 reliability))))) or (4 reliability))) or (ic reliability))%2 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (_quality control))%((((((24 reliability) or (((14 reliability) OR (3 reliability))))) or (4 reliability))) or (ic reliability))%2 safety and risk%22*.