Perhaps you should try some spelling variations:
forquality control » quality control, qouality control, fertility control
byquality control » quality control, qouality control, qualify control
_quality control » quality control, qouality control, qualify control
quality controls » quality control, qualite controle, quality concepts
22 safety » 2 safety, 12 safety, 5 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 (_quality control))) OR (quality controls))) OR (forquality control))%((3 reliability) OR (5 reliability))%((22 safety) OR (_ safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((((byquality control) or (_quality control))) or (quality controls))) or (forquality control))%((3 reliability) or (5 reliability))%((22 safety) OR (_ safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((((((byquality control) or (_quality control))) or (quality controls))) or (forquality control))%((3 reliability) or (5 reliability))%((22 safety) OR (_ safety)) and risk%22*.