Perhaps you should try some spelling variations:
"harvard based urban studies book series." » "hardware based urban studies book series.", "harvard basic urban studies book series.", "harvard based urban studies books series.", "harvard based urban studies ebook series."
"harvard cold bank studies from series." » "harvard cold bank study from series.", "harvard cold bank studies rom series.", "harvard cold bank studies from services.", "harvard cold bank studies forum series.", "harvard world bank studies from series.", "harvard bond bank studies from series.", "harvard good bank studies from 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 cold bank studies from series.") or ("harvard based urban studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold bank studies from series.") OR ("harvard based urban studies book series.")).
• Removing quotes may allow a broader search: (( harvard cold bank studies from series. ) or ( harvard based urban studies book series. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard cold bank studies from series.") or ("harvard based urban studies book series."))*.