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

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