Perhaps you should try some spelling variations:
"basic mathematical sciences" » "basic mathematics sciences", "basic mathematical geosciencess", "basic mathematical finances"
"based mathematical science" » "based mathematics science", "based mathematical geosciences", "based mathematical finance"

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: (("basic mathematical sciences") OR ("based mathematical science"))*.
• Removing quotes may allow a broader search: (( basic mathematical sciences ) or ( based mathematical science ))*.