Perhaps you should try some spelling variations:
"harvard second loan studies book series." » "harvard cold loan studies book series.", "harvard second iran studies book series.", "harvard second korean studies book series.", "harvard second balkan studies book series.", "harvard second loan studies books series.", "harvard second loan studies ebook series."
"harvard world bank studies book series." » "harvard cold bank studies book series.", "harvard world urban studies book series.", "harvard world bank study book series.", "harvard world bank studies books series.", "harvard world bank studies ebook series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard world bank studies book series.") or ("harvard second loan studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world bank studies book series.") OR ("harvard second loan studies book series.")).
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• Adding a wildcard symbol may retrieve word variants: (("harvard world bank studies book series.") or ("harvard second loan studies book series."))*.