Perhaps you should try some spelling variations:
advanced mathematics » applied mathematics
based mathematical » basic mathematical
cambridge studies » cambridge stories, cambridge study, cambridge ladies

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: (( ((cambridge studies) OR (cambridge students)) in advanced mathematics ) OR ( ((cambridge studies) OR (cambridge students)) in ((advanced mathematical) OR (based mathematical)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((cambridge studies) or (cambridge students)) in advanced mathematics ) or ( ((cambridge studies) or (cambridge students)) in ((advanced mathematical) OR (based mathematical)) ))".
• Adding a wildcard symbol may retrieve word variants: (( ((cambridge studies) or (cambridge students)) in advanced mathematics ) or ( ((cambridge studies) or (cambridge students)) in ((advanced mathematical) OR (based mathematical)) ))*.