Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
23 reliability » 2.3 reliability, 20 reliability, 24 reliability
13 reliability » 11 reliability, 5 reliability, 7 reliability
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 5 reliability
3 reliability » 5 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%((((((23 reliability) OR (((13 reliability) OR (2 reliability))))) OR (3 reliability))) OR (ic reliability))%2 safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22quality control%((((((23 reliability) or (((13 reliability) OR (2 reliability))))) or (3 reliability))) or (ic reliability))%2 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %22quality control%((((((23 reliability) or (((13 reliability) OR (2 reliability))))) or (3 reliability))) or (ic reliability))%2 safety and risk%22*.