Perhaps you should try some spelling variations:
canadian political » canadian politics, indian political, confucian political
indian politics » india politics, asian politics, african politics
charles grant » charters grants, charles grey, charters granted

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: charles grant (((indian politics) OR (canadian political))).
• Adding a wildcard symbol may retrieve word variants: charles grant (((indian politics) or (canadian political)))*.