Perhaps you should try some spelling variations:
atrocious proceedings » various proceedings, barbarous proceedings
environmental science » environmental sciences
strings proceedings » things proceedings, strategies proceedings, business proceedings
rings proceedings » things proceedings, chaos proceedings, needs proceedings

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: ((((strings proceedings) OR (atrocious proceedings))) OR (rings proceedings)) in earth AND environmental science.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((strings proceedings) OR (atrocious proceedings))) or (rings proceedings)) in earth and environmental science".
• Adding a wildcard symbol may retrieve word variants: ((((strings proceedings) OR (atrocious proceedings))) or (rings proceedings)) in earth and environmental science*.