Perhaps you should try some spelling variations:
"advanced mathematical sciences" » "advanced mathematics sciences", "based mathematical sciences", "advanced mathematical science"
"advanced mathematical finance" » "advanced mathematics finance", "based 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: (("advanced mathematical sciences") OR ("advanced mathematical finance")).
• Removing quotes may allow a broader search: (( advanced mathematical sciences ) or ( advanced mathematical finance )).
• Adding a wildcard symbol may retrieve word variants: (("advanced mathematical sciences") or ("advanced mathematical finance"))*.