Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, quality controls
2c reliability » 20 reliability, 24 reliability, 29 reliability
ic reliability » 3 reliability, 5 reliability, 7 reliability
2 reliability » 3 reliability, 5 reliability
a safety » a safe

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%((((2c reliability) OR (2 reliability))) OR (ic reliability))%a safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%_quality control%((((2c reliability) OR (2 reliability))) or (ic reliability))%a safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %_quality control%((((2c reliability) OR (2 reliability))) or (ic reliability))%a safety and risk%22*.