Perhaps you should try some spelling variations:
byquality control » forquality control, qouality control, qualify control
_quality control » qouality control, qualify control, quality contol
quality controls » qualite controle, quality concepts
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
22 safety » 2 safety, 5 safety, 4 safety
12 safety » 2 safety, 10 safety, 11 safety

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 (((byquality control) OR (quality control))))%((2 reliability) OR (ic reliability))%((22 safety) OR (12 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((_quality control) or (quality controls))) or (((byquality control) OR (quality control))))%((2 reliability) or (ic reliability))%((22 safety) or (12 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((((_quality control) or (quality controls))) or (((byquality control) OR (quality control))))%((2 reliability) or (ic reliability))%((22 safety) or (12 safety)) and risk%22*.