Perhaps you should try some spelling variations:
"international politics economy series" » "international relations economy series", "international politics economics series"
"international political economies series" » "international politics economics series", "international political ideologies series", "international political economies verghese", "international political economies crisis", "international political economies sherry"
"international political economies rich" » "international politics economics rich", "international political ideologies rich", "international political economics africa", "international political economies crisis"
"international political economics series" » "international political economits series", "international politics economics series", "international politico economic series"
"international political economic series" » "international political economic theories", "international political economic studies", "international political economic surveys"

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: (((("international politics economy series") OR ((((("international political economic series") OR ("international political economies series"))) OR ("international political economies rich"))))) OR ((("international political economics series") OR ("international political economy series"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"international politics economy series\") or (((((\"international political economic series\") OR (\"international political economies series\"))) or (\"international political economies rich\"))))) or (((\"international political economics series\") or (\"international political economy series\"))))~".
• Removing quotes may allow a broader search: (((( international politics economy series ) or ((((( international political economic series ) OR ( international political economies series ))) or ( international political economies rich ))))) or ((( international political economics series ) or ( international political economy series ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("international politics economy series") or ((((("international political economic series") OR ("international political economies series"))) or ("international political economies rich"))))) or ((("international political economics series") or ("international political economy series"))))*.