Perhaps you should try some spelling variations:
forquality control » qouality control, fertility control, qualify control
byquality control » qouality control, qualify control, quality contol
quality controls » qualite controle, quality concepts
_quality control » qouality control, qualify control, quality contol
24 reliability » 2.4 reliability, 4 reliability, 14 reliability
2 reliability » 3 reliability
5 reliability » 3 reliability
2c safety » 22 safety, 23 safety, 25 safety
2 safety » _ safety, a 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: %((((quality control) OR (quality controls))) OR (((forquality control) OR (((_quality control) OR (byquality control))))))%((((24 reliability) OR (2 reliability))) OR (5 reliability))%((2c safety) OR (2 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((quality control) or (quality controls))) or (((forquality control) or (((_quality control) OR (byquality control))))))%((((24 reliability) or (2 reliability))) or (5 reliability))%((2c safety) or (2 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((((quality control) or (quality controls))) or (((forquality control) or (((_quality control) OR (byquality control))))))%((((24 reliability) or (2 reliability))) or (5 reliability))%((2c safety) or (2 safety)) and risk%22*.