Perhaps you should try some spelling variations:
"harvard cost urban studies book series." » "hardware cost urban studies book series.", "harvard camp urban studies book series.", "harvard home urban studies book series.", "harvard most urban studies book series.", "harvard worst urban studies book series.", "harvard bust urban studies book series."
"harvard cold bank study book series." » "harvard world bank study book series.", "harvard bond bank study book series.", "harvard good 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 cold bank study book series.") or ("harvard cost urban studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold bank study book series.") OR ("harvard cost urban studies book series."))*.
• Removing quotes may allow a broader search: (( harvard cold bank study book series. ) or ( harvard cost urban studies book series. ))*.