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