Perhaps you should try some spelling variations:
"international policy economy series" » "international poverty economy series", "national policy economy series", "international policy economic series", "international polish economy series", "international politics economy series", "international policy economics series"
"international prices autonomy states" » "international driven autonomy states", "international provider autonomy states", "international private autonomy states", "international prices autonomy notes", "international prices autonomy shared", "international prices autonomy step"

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

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