Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, quality controls
qouality control » quality control, quality controls, qualify control
ic reliability » 5 reliability, 2 reliability, 7 reliability
1 reliability » 3 reliability, 5 reliability, 2 reliability
9 reliability » 3 reliability, 5 reliability, 2 reliability
2 safety » 5 safety, 4 safety, 3 safety

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) OR (qouality control))%((1 reliability) OR (((ic reliability) OR (9 reliability))))%2 safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((_quality control) or (qouality control))%((1 reliability) or (((ic reliability) OR (9 reliability))))%2 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (qouality control))%((1 reliability) or (((ic reliability) OR (9 reliability))))%2 safety and risk%22*.