Perhaps you should try some spelling variations:
byquality control » quality control, forquality control, quality controls
_quality control » quality control, quality controls, qouality control
2c reliability » 2 reliability, 24 reliability, 20 reliability
ic reliability » 2 reliability, 5 reliability, 9 reliability
a safety » _ safety
3 safety » _ safety, 5 safety, 4 safety
safety » samety
safe » same

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 (byquality control))%((2c reliability) OR (ic reliability))%((((a safety) OR (a safe))) OR (3 safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((_quality control) or (byquality control))%((2c reliability) or (ic reliability))%((((a safety) OR (a safe))) or (3 safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((_quality control) or (byquality control))%((2c reliability) or (ic reliability))%((((a safety) OR (a safe))) or (3 safety)) and risk%22*.