Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
24 reliability » 2.4 reliability, 4 reliability, 14 reliability
29 reliability » 9 reliability, 20 reliability, 2.6 reliability
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
2c safety » 2 safety, 23 safety, 21 safety
25 safety » 5 safety, 2 safety, 15 safety
22 safety » 2 safety, 12 safety, 5 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%((((24 reliability) OR (29 reliability))) OR (((ic reliability) OR (2 reliability))))%((((2c safety) OR (25 safety))) OR (22 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22quality control%((((24 reliability) or (29 reliability))) or (((ic reliability) or (2 reliability))))%((((2c safety) OR (25 safety))) or (22 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %22quality control%((((24 reliability) or (29 reliability))) or (((ic reliability) or (2 reliability))))%((((2c safety) OR (25 safety))) or (22 safety)) and risk%22*.