Perhaps you should try some spelling variations:
byquality control » quality control, _quality control, forquality control
20 reliability » 2 reliability, 10 reliability, 24 reliability
ic reliability » 3 reliability, 5 reliability, 2 reliability
2c safety » 2 safety, 22 safety, 23 safety
3 safety » 5 safety, 4 safety

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "%byquality control%((20 reliability) OR (ic reliability))%((2c safety) OR (3 safety)) AND risk%22".
• Adding a wildcard symbol may retrieve word variants: %byquality control%((20 reliability) OR (ic reliability))%((2c safety) OR (3 safety)) AND risk%22*.