Perhaps you should try some spelling variations:
"international media economy series" » "international credit economy series", "international mail economy series", "international mediation economy series", "international media economics series", "international media economic series", "international media ecology series", "international mediated economy series"
"international energy economic series" » "international energy economics series", "international energy economy series", "international ecology economic series", "international energy economic services", "international energy economic theories"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international energy economic series") or ("international media economy series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international energy economic series") OR ("international media economy series")).
• Removing quotes may allow a broader search: (( international energy economic series ) or ( international media economy series )).
• Adding a wildcard symbol may retrieve word variants: (("international energy economic series") or ("international media economy series"))*.