Perhaps you should try some spelling variations:
_quality control » byquality control, qualify control, quality contol
quality controls » qualite controle, quality concepts
qouality control » qualify control, quality contral, forquality control
2 reliability » 3 reliability, 5 reliability
2 safety » 5 safety, 4 safety, 3 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 control) OR (quality controls))))) OR (qouality control))%2 reliability%2 safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((((quality control) or (((_quality control) or (quality controls))))) or (qouality control))%2 reliability%2 safety and risk%22*.