Perhaps you should try some spelling variations:
"international political economic studies" » "international politics economic studies", "international political economic success", "international political economic survey"
"international political economic theories" » "international politics economic theories", "international political economic theory", "international political economics series", "international political economic ties"
"international political economics theory" » "international politics economics theory", "international political economits theory", "international politico economic theory", "international political economic theory", "international political economics history"
"international political economy theories" » "international politics economy theories", "international political economy series", "international political economy theory", "international political economy theorizing"
"international political economies series" » "international politics economies series", "international politics economics series", "international political ideologies series", "international political economics series", "international political economic series", "international political economy series"

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