Perhaps you should try some spelling variations:
22quality control » quality control, _quality control, byquality control
24 reliability » 2.4 reliability, 4 reliability, 14 reliability
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
2 safety » 3 safety
a safety » a safe

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 (((ic reliability) OR (2 reliability))))%((((2 safety) OR (((5 safety) OR (a safety))))) OR (4 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22quality control%((24 reliability) or (((ic reliability) or (2 reliability))))%((((2 safety) or (((5 safety) OR (a safety))))) or (4 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %22quality control%((24 reliability) or (((ic reliability) or (2 reliability))))%((((2 safety) or (((5 safety) OR (a safety))))) or (4 safety)) and risk%22*.