Perhaps you should try some spelling variations:
22quality control » quality control, forquality control, quality controls
byquality control » quality control, forquality control, quality controls
_quality control » quality control, quality controls, qouality control
ic reliability » 7 reliability, 8 reliability, 11 reliability
24 reliability » 2.4 reliability, 4 reliability, 14 reliability
2 reliability » 3 reliability
5 reliability » 3 reliability
2c safety » 2 safety, 23 safety, 25 safety
22 safety » 2 safety, 12 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))) OR (_quality control))%((((((ic reliability) OR (2 reliability))) OR (24 reliability))) OR (5 reliability))%((2c safety) OR (22 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((22quality control) or (byquality control))) or (_quality control))%((((((ic reliability) OR (2 reliability))) or (24 reliability))) or (5 reliability))%((2c safety) or (22 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((((22quality control) or (byquality control))) or (_quality control))%((((((ic reliability) OR (2 reliability))) or (24 reliability))) or (5 reliability))%((2c safety) or (22 safety)) and risk%22*.