Perhaps you should try some spelling variations:
_quality control » quality control, byquality control, qouality control
quality controls » quality control, qualite controle
quality concepts » stability concepts
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability

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) OR (((quality controls) OR (quality concepts))))%((2 reliability) OR (ic reliability))%5 safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((_quality control) or (((quality controls) OR (quality concepts))))%((2 reliability) or (ic reliability))%5 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (((quality controls) OR (quality concepts))))%((2 reliability) or (ic reliability))%5 safety and risk%22*.