Perhaps you should try some spelling variations:
forquality control » quality control, byquality control, qouality control
_quality control » quality control, byquality control, quality controls
2.4 reliability » 2.6 reliability, 5.4 reliability, 2.2 reliability
21 reliability » 11 reliability, 20 reliability, 29 reliability
24 reliability » 14 reliability, 20 reliability, 29 reliability
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
1 reliability » 3 reliability, 5 reliability, 7 reliability
2c safety » 2 safety, 22 safety, 23 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: %((_quality control) OR (forquality control))%((((((2 reliability) OR (((21 reliability) OR (1 reliability))))) OR (((24 reliability) OR (2.4 reliability))))) OR (ic reliability))%2c safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((_quality control) or (forquality control))%((((((2 reliability) or (((21 reliability) OR (1 reliability))))) or (((24 reliability) or (2.4 reliability))))) or (ic reliability))%2c safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (forquality control))%((((((2 reliability) or (((21 reliability) OR (1 reliability))))) or (((24 reliability) or (2.4 reliability))))) or (ic reliability))%2c safety and risk%22*.