Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
2c reliability » 20 reliability, 24 reliability, 29 reliability
2 reliability » 3 reliability
8 reliability » 3 reliability, 4 reliability, 7 reliability
5 reliability » 3 reliability
12 safety » 10 safety, 11 safety, 1 safety
2 safety » 5 safety, 4 safety, 3 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 (2 reliability))) OR (((8 reliability) OR (5 reliability))))%((2 safety) OR (12 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22quality control%((((2c reliability) OR (2 reliability))) or (((8 reliability) or (5 reliability))))%((2 safety) or (12 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %22quality control%((((2c reliability) OR (2 reliability))) or (((8 reliability) or (5 reliability))))%((2 safety) or (12 safety)) and risk%22*.