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 world bank study book series.", "harvard world bank studies books series.", "harvard world bank studies ebook series."
"harvard good bank studies book series." » "harvard good urban studies book series.", "harvard good bank study book series.", "harvard cold bank studies book series.", "harvard home bank studies book series.", "harvard blood bank studies book series.", "harvard good bad studies book series.", "harvard good bank studies books series.", "harvard good bank studies ebook series."

Try widening your search to All Fields.

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 good bank studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world bank studies book series.") OR ("harvard good bank studies book series.")).
• Removing quotes may allow a broader search: (( harvard world bank studies book series. ) or ( harvard good bank studies book series. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard world bank studies book series.") or ("harvard good bank studies book series."))*.