Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, forquality control
2c reliability » 20 reliability, 21 reliability, 22 reliability
ic reliability » 5 reliability, 9 reliability, 8 reliability
2c safety » 2 safety, 23 safety, 21 safety
22 safety » 2 safety, 12 safety, a 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: %22quality control%((2c reliability) OR (((ic reliability) OR (2 reliability))))%((2c safety) OR (22 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22quality control%((2c reliability) or (((ic reliability) OR (2 reliability))))%((2c safety) or (22 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %22quality control%((2c reliability) or (((ic reliability) OR (2 reliability))))%((2c safety) or (22 safety)) and risk%22*.