Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, forquality control
byquality control » quality control, _quality control, forquality control
2.4 reliability » 2.6 reliability, 5.4 reliability, 2.2 reliability
2c reliability » 20 reliability, 29 reliability, ic reliability
24 reliability » 14 reliability, 20 reliability, 29 reliability
2 reliability » 3 reliability, 5 reliability
9 reliability » 3 reliability, 5 reliability
23 safety » 2 safety, 13 safety, 22 safety
3 safety » 5 safety, 4 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))%((((2c reliability) OR (((24 reliability) OR (2.4 reliability))))) OR (((2 reliability) OR (9 reliability))))%((23 safety) OR (3 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22quality control) or (byquality control))%((((2c reliability) or (((24 reliability) OR (2.4 reliability))))) or (((2 reliability) or (9 reliability))))%((23 safety) or (3 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (byquality control))%((((2c reliability) or (((24 reliability) OR (2.4 reliability))))) or (((2 reliability) or (9 reliability))))%((23 safety) or (3 safety)) and risk%22*.