Perhaps you should try some spelling variations:
quality controls » quality control, qualite controle, quality concepts
_quality control » quality control, byquality control, qualify control
qouality control » quality control, qualify control, quality contral
ic reliability » 5 reliability, 7 reliability, 11 reliability
1 reliability » 3 reliability, 5 reliability, 7 reliability
8 reliability » 3 reliability, 5 reliability, 4 reliability
2 reliability » 3 reliability, 5 reliability
22 safety » 2 safety, 12 safety, 5 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 controls) OR (((_quality control) OR (qouality control))))%((1 reliability) OR (((((ic reliability) OR (8 reliability))) OR (2 reliability))))%22 safety AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((quality controls) or (((_quality control) OR (qouality control))))%((1 reliability) or (((((ic reliability) or (8 reliability))) or (2 reliability))))%22 safety and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((quality controls) or (((_quality control) OR (qouality control))))%((1 reliability) or (((((ic reliability) or (8 reliability))) or (2 reliability))))%22 safety and risk%22*.