Perhaps you should try some spelling variations:
"appendix mathematical geosciences" » "appendix mathematical sciences", "appendix mathematics science"
"advanced mathematical science" » "advanced mathematics science", "based mathematical science", "advanced mathematical sciences", "advanced mathematical finance"

Try widening your search to All Fields.

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 ("advanced mathematical science")).
• Removing quotes may allow a broader search: (( appendix mathematical geosciences ) or ( advanced mathematical science )).
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