Perhaps you should try some spelling variations:
qouality control » quality controls, _quality control, qualify control
24 reliability » 2.4 reliability, 2 reliability, 4 reliability
ic reliability » 5 reliability, 2 reliability, 7 reliability
2c safety » 2 safety, 22 safety, 23 safety

Try widening your search to All Fields.

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 (qouality control))%((24 reliability) OR (ic reliability))%2c safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((quality control) or (qouality control))%((24 reliability) or (ic reliability))%2c safety and risk%22*.