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
charles gray » charles grey, charles ray, charles greely

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 gray) OR (charles grant)) (((indian politics) OR (canadian political))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((charles gray) OR (charles grant)) (((indian politics) or (canadian political)))".
• Adding a wildcard symbol may retrieve word variants: ((charles gray) OR (charles grant)) (((indian politics) or (canadian political)))*.