Perhaps you should try some spelling variations:
_quality control » byquality control, qouality control, qualify control
quality controls » qualite controle, quality concepts
2c reliability » 20 reliability, 24 reliability, 29 reliability
21 reliability » 1 reliability, 11 reliability, 20 reliability
ic reliability » 5 reliability, 7 reliability, 8 reliability
2 reliability » 3 reliability, 5 reliability
9 reliability » 3 reliability, 5 reliability, 4 reliability
23 safety » 2 safety, 13 safety, 22 safety
3 safety » 5 safety, 4 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 control) OR (quality controls))) OR (quality control))%((((2c reliability) OR (((21 reliability) OR (2 reliability))))) OR (((ic reliability) OR (9 reliability))))%((23 safety) OR (3 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((_quality control) OR (quality controls))) or (quality control))%((((2c reliability) or (((21 reliability) or (2 reliability))))) or (((ic reliability) or (9 reliability))))%((23 safety) or (3 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((((_quality control) OR (quality controls))) or (quality control))%((((2c reliability) or (((21 reliability) or (2 reliability))))) or (((ic reliability) or (9 reliability))))%((23 safety) or (3 safety)) and risk%22*.