Perhaps you should try some spelling variations:
appendix mathmatical » appendix b:mathematical, appendix mathematics, appendices mathematical
mathmatical science » mathematical science, mathematics science, mathematic science
mathematical » mathematics

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