Perhaps you should try some spelling variations:
byquality control » quality control, forquality control, quality controls
qouality control » quality control, quality controls, qualify control
_quality control » quality control, quality controls, qualify control
24 reliability » 2.4 reliability, 2 reliability, 4 reliability
3 reliability » 5 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: %((byquality control) OR (((qouality control) OR (_quality control))))%((24 reliability) OR (3 reliability))%2c safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((byquality control) or (((qouality control) or (_quality control))))%((24 reliability) or (3 reliability))%2c safety and risk%22*.