Perhaps you should try some spelling variations:
"harvard world war studies book series." » "harvard cold war studies book series.", "harvard world war stories book series.", "harvard world early studies book series.", "harvard world war studies books series.", "harvard world war 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 war studies book series.") OR ("harvard world bank studies book series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"harvard world war studies book series.\") OR (\"harvard world bank studies book series.\"))".
• Removing quotes may allow a broader search: (( harvard world war studies book series. ) OR ( harvard world bank studies book series. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard world war studies book series.") OR ("harvard world bank studies book series."))*.