Perhaps you should try some spelling variations:
"harvard cold bank studies book series." » "harvard cold bank study book series.", "harvard world bank studies book series.", "harvard bond bank studies book series.", "harvard good bank studies book series.", "harvard cold bank studies books series."
"harvard cold urban studies ebook series." » "harvard cold urban studies textbook series.", "harvard cold urban studies yearbook series.", "harvard cold urban studies bank series.", "harvard clld urban studies ebook series.", "harvard world urban studies ebook series.", "harvard good urban studies ebook series.", "harvard cold urban studies ebooks 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 book series.") or ("harvard cold urban studies ebook series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold bank studies book series.") OR ("harvard cold urban studies ebook series."))*.
• Removing quotes may allow a broader search: (( harvard cold bank studies book series. ) or ( harvard cold urban studies ebook series. ))*.