Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
ic reliability » 8 reliability, 11 reliability, 13 reliability
2c reliability » 24 reliability, 20 reliability, 21 reliability
2 reliability » 3 reliability
9 reliability » 3 reliability, 4 reliability
5 reliability » 3 reliability
2c safety » 2 safety, 22 safety, 25 safety
2_ safety » 2 safety, 22 safety, 25 safety
23 safety » 2 safety, 13 safety, 22 safety
3 safety » a safety, 5 safety, 4 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 (((ic reliability) OR (((9 reliability) OR (5 reliability))))))%((((2c safety) OR (2_ safety))) OR (((((23 safety) OR (3 safety))) OR (_ 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 (((ic reliability) or (((9 reliability) OR (5 reliability))))))%((((2c safety) or (2_ safety))) or (((((23 safety) or (3 safety))) or (_ safety)))) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %22quality control%((((2c reliability) or (2 reliability))) or (((ic reliability) or (((9 reliability) OR (5 reliability))))))%((((2c safety) or (2_ safety))) or (((((23 safety) or (3 safety))) or (_ safety)))) and risk%22*.