Perhaps you should try some spelling variations:
"international politics economy series" » "international relations economy series", "international political economy series", "international politics economics series"
"international political economics series" » "international political economies series", "international politics economics series", "international political economy series", "international political economys series"
"international political economits series" » "international political economies series", "international political economy series", "international politics economics series", "international political concepts series"
"international political economic series" » "international political economy series", "international political economies series", "international political economic theories", "international political economic studies"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("international politics economy series") or ((("international political economic series") or ((("international political economics series") OR ("international political economits series"))))))~.
• 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 economics series") OR ("international political economits 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 economics series\") OR (\"international political economits series\"))))))*".
• Removing quotes may allow a broader search: (( international politics economy series ) or ((( international political economic series ) or ((( international political economics series ) OR ( international political economits series ))))))*.