Perhaps you should try some spelling variations:
mathematical geosciences » mathematical sciences, mathematical science
appendix mathematics » appendices mathematics, appendix mathematische, appendix mathmatical
mathematics science » mathematical sciences

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: (( appendix mathematical geosciences ) OR ( appendix mathematics science )).
• Adding a wildcard symbol may retrieve word variants: (( appendix mathematical geosciences ) or ( appendix mathematics science ))*.