Perhaps you should try some spelling variations:
chemistry proceedings » geometry proceedings, century proceedings
springer proceedings » strings proceedings, rings proceedings, surgery proceedings
seminar proceedings » criminal proceedings, china 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: ((springer proceedings) OR (((((seminar proceedings) OR (chemistry proceedings))) OR (theory proceedings)))) in mathematics & statistics.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((springer proceedings) or (((((seminar proceedings) OR (chemistry proceedings))) or (theory proceedings)))) in mathematics & statistics".
• Adding a wildcard symbol may retrieve word variants: ((springer proceedings) or (((((seminar proceedings) OR (chemistry proceedings))) or (theory proceedings)))) in mathematics & statistics*.