Perhaps you should try some spelling variations:
"international political economics series" » "international political economits series", "international politics economics series", "international political economy series", "international political economys series"
"international political economies series" » "international political economy series", "international politics economics series", "international political ideologies series", "international political economies verghese", "international political economies crisis"
"international political economic series" » "international political economy series", "international political economic studies", "international political economic surveys"
"international relations economic theories" » "international relations conflict theories", "international innovations economic theories", "international relations economic theory", "international relations economics theory", "international relations economic ties"
"international politics economic theories" » "international politics economics theories", "international politico economic theories", "international politics economy theories", "international politics economic theory", "international politics economics theory", "international politics economic ties"

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