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

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