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