Perhaps you should try some spelling variations:
london mathematical » non mathematical, common mathematical, motion mathematical
simple mathematical » finance mathematical
lecture note » lecture notes, lectures notes, lecture novel
lecture nine » lecture notes, lecture being, lecture novel

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: (("((london mathematical) or (simple mathematical)) society ((lecture note) OR (lecture nine)) series") OR ("((london mathematical) or (simple mathematical)) society ((lecture note) OR (lecture nine))s series")).
• Removing quotes may allow a broader search: (( ((london mathematical) or (simple mathematical)) society ((lecture note) OR (lecture nine)) series ) or ( ((london mathematical) or (simple mathematical)) society ((lecture note) OR (lecture nine))s series )).
• Adding a wildcard symbol may retrieve word variants: (("((london mathematical) or (simple mathematical)) society ((lecture note) OR (lecture nine)) series") or ("((london mathematical) or (simple mathematical)) society ((lecture note) OR (lecture nine))s series"))*.