Perhaps you should try some spelling variations:
international policy » international poverty, international prices, national policy
"International policy economic series" » "International policy economics series", "International policy economic services", "International policy economic theories"
"international political economy series" » "international political economics series"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("International policy economic series") or ("international political economy series"))~.
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