Perhaps you should try some spelling variations:
byquality control » quality control, _quality control, forquality control
qouality control » quality control, quality controls, _quality control
29 reliability » 2 reliability, 9 reliability, 20 reliability
12 safety » 2 safety, 10 safety, 11 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) OR (qouality control))%29 reliability%12 safety AND risk%22".
• Adding a wildcard symbol may retrieve word variants: %((byquality control) OR (qouality control))%29 reliability%12 safety AND risk%22*.