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

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: (("((((cambridge studies) OR (cambridge students))) or (cambridge stories)) in advanced mathematics") OR ("((((cambridge studies) OR (cambridge students))) or (cambridge stories)) in advanced mathematical")).
• Removing quotes may allow a broader search: (( ((((cambridge studies) OR (cambridge students))) or (cambridge stories)) in advanced mathematics ) or ( ((((cambridge studies) OR (cambridge students))) or (cambridge stories)) in advanced mathematical )).
• Adding a wildcard symbol may retrieve word variants: (("((((cambridge studies) OR (cambridge students))) or (cambridge stories)) in advanced mathematics") or ("((((cambridge studies) OR (cambridge students))) or (cambridge stories)) in advanced mathematical"))*.