Perhaps you should try some spelling variations:
"international politics economies series" » "international relations economies series", "international politics economics series", "international politics economic series", "international politcs economics series", "international politics economy series"
"international political economies series" » "international political economy series", "international politics economics series", "international political ideologies series", "international political economics series", "international political economic series"
"international political economic studies" » "international political economy studies", "international political economic success", "international political economic survey"
"international political economic theories" » "international political economy theories", "international political economic theory", "international political economics series", "international political economics theory"

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 economies series") OR ("international politics 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 economies series\") OR (\"international politics economies series\"))))~".
• Removing quotes may allow a broader search: (((( international political economic studies ) or ( international political economic theories ))) or ((( international political economies series ) OR ( international politics economies series ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("international political economic studies") or ("international political economic theories"))) or ((("international political economies series") OR ("international politics economies series"))))*.