Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, forquality control
byquality control » quality control, _quality control, forquality control
qualite controle » quality control
29 reliability » 2 reliability, 9 reliability, 20 reliability
23 safety » 3 safety, 2 safety, 13 safety
a safety » a safe

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) OR (((byquality control) OR (qualite controle))))%29 reliability%((23 safety) OR (a safety)) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (((byquality control) or (qualite controle))))%29 reliability%((23 safety) or (a safety)) and risk%22*.