Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, qualify control
quality controls » quality control, qualite controle, quality concepts
qouality control » quality control, qualify control, quality contral
24 reliability » 2.4 reliability, 2 reliability, 4 reliability
2c safety » 2 safety, 22 safety, 23 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 (qouality control))))%24 reliability%2c safety AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (((quality controls) or (qouality control))))%24 reliability%2c safety and risk%22*.