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
9 reliability » 3 reliability, 5 reliability, 2 reliability
2c safety » 2 safety, 22 safety, 23 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))))%9 reliability%((2c safety) OR (a safety)) AND risk%22.
• Adding a wildcard symbol may retrieve word variants: %((22quality control) or (((byquality control) or (qualite controle))))%9 reliability%((2c safety) or (a safety)) and risk%22*.