Perhaps you should try some spelling variations:
"based mathematical finances" » "based mathematical finance", "based mathematical financial", "based mathematical advances", "basic mathematical finances"
"appendix mathematics science" » "appendix mathematical science", "appendices mathematics science", "appendix mathematische science", "appendix 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: (("based mathematical finances") OR ("appendix mathematics science"))*.
• Removing quotes may allow a broader search: (( based mathematical finances ) or ( appendix mathematics science ))*.