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