Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, quality controls
ic reliability » 9 reliability, 11 reliability, 13 reliability
2 reliability » 3 reliability
5 reliability » 3 reliability
8 reliability » 3 reliability, 4 reliability, 9 reliability
23 safety » 3 safety, 2 safety, 13 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: %_quality control%((((2 reliability) OR (5 reliability))) OR (((ic reliability) OR (8 reliability))))%23 safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%_quality control%((((2 reliability) or (5 reliability))) or (((ic reliability) OR (8 reliability))))%23 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %_quality control%((((2 reliability) or (5 reliability))) or (((ic reliability) OR (8 reliability))))%23 safety and risk%22*.