Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
2c reliability » 2 reliability, 24 reliability, ic reliability
2c samety » c safety
22 samety » 22 safety
a samety » a safety, a satiety, a same
safe » same

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: %22quality control%2c reliability%((((2c samety) OR (22 samety))) OR (((a samety) OR (a safe)))) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %22quality control%2c reliability%((((2c samety) or (22 samety))) or (((a samety) or (a safe)))) and risk%22*.