Perhaps you should try some spelling variations:
quality controls » qualite controle, quality concepts
2.2 reliability » 1.2 reliability, 2.6 reliability, 12 reliability
ic reliability » 5 reliability, 7 reliability, 8 reliability
1 reliability » 3 reliability, 5 reliability, 7 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 controls) OR (quality control))%((((2.2 reliability) OR (1 reliability))) OR (ic reliability))%((2 safety) OR (_ safety)) AND risk%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((quality controls) or (quality control))%((((2.2 reliability) or (1 reliability))) or (ic reliability))%((2 safety) OR (_ safety)) and risk%22".
• Adding a wildcard symbol may retrieve word variants: %((quality controls) or (quality control))%((((2.2 reliability) or (1 reliability))) or (ic reliability))%((2 safety) OR (_ safety)) and risk%22*.