Perhaps you should try some spelling variations:
forquality control » byquality control, qouality control, fertility control
quality controls » qualite controle, quality concepts
_quality control » byquality control, qouality control, qualify control
2.6 reliability » 2 reliability, 16 reliability, 3.3 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: %((quality controls) OR (((forquality control) OR (((_quality control) OR (quality control))))))%((2.6 reliability) OR (5 reliability))%2c safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((quality controls) or (((forquality control) or (((_quality control) OR (quality control))))))%((2.6 reliability) or (5 reliability))%2c safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((quality controls) or (((forquality control) or (((_quality control) OR (quality control))))))%((2.6 reliability) or (5 reliability))%2c safety and risk%22*.