Perhaps you should try some spelling variations:
byquality control » quality control, _quality control, forquality control
21 reliability » 2 reliability, 1 reliability, 11 reliability
ic reliability » 2 reliability, 7 reliability, 8 reliability
5 reliability » 3 reliability
4 reliability » 3 reliability, 2 reliability
13 safety » 3 safety, 10 safety, 1 safety
11 safety » 10 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: %byquality control%((((5 reliability) OR (21 reliability))) OR (((ic reliability) OR (4 reliability))))%((13 safety) OR (11 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%byquality control%((((5 reliability) or (21 reliability))) or (((ic reliability) or (4 reliability))))%((13 safety) OR (11 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %byquality control%((((5 reliability) or (21 reliability))) or (((ic reliability) or (4 reliability))))%((13 safety) OR (11 safety)) and risk%22*.