Perhaps you should try some spelling variations:
"harvard world bank studies book series." » "harvard world urban studies book series.", "harvard world bank studies books series.", "harvard world bank studies ebook series."
"harvard cold bank study from series." » "harvard cold bank study rom series.", "harvard cold bank study from services.", "harvard cold bank study forum series.", "harvard cold bank studies from series.", "harvard bond bank study from series.", "harvard good bank study from series.", "harvard food bank study from series."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"harvard cold bank study from series.\") OR (\"harvard world bank studies book series.\"))~".
• Removing quotes may allow a broader search: (( harvard cold bank study from series. ) OR ( harvard world bank studies book series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("harvard cold bank study from series.") OR ("harvard world bank studies book series."))*.