Perhaps you should try some spelling variations:
chemistry proceedings » theory proceedings, geometry proceedings, century proceedings
springer proceedings » strings proceedings, rings proceedings, surgery proceedings
criminal proceedings » criminal procedure
seminar proceedings » china proceedings
environmental » environment

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: "((springer proceedings) OR (((((seminar proceedings) OR (criminal proceedings))) OR (chemistry proceedings)))) in earth AND environmental (sciences" OR science").
• Removing quotes may allow a broader search: ((springer proceedings) or (((((seminar proceedings) or (criminal proceedings))) or (chemistry proceedings)))) in earth and environmental (sciences OR science ).
• Adding a wildcard symbol may retrieve word variants: "((springer proceedings) or (((((seminar proceedings) or (criminal proceedings))) or (chemistry proceedings)))) in earth and environmental (sciences" OR science")*.