Perhaps you should try some spelling variations:
"harvard second urban studies from surveys." » "harvard second loan studies from surveys.", "harvard second rural studies from surveys.", "harvard second urban studies from survey.", "harvard second urban studies firm surveys.", "harvard second urban studies force surveys."
"harvard world bank study book series." » "harvard world bank study books series.", "harvard world bank study ebook 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 world bank study book series.") or ("harvard second urban studies from surveys."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world bank study book series.") OR ("harvard second urban studies from surveys."))*.
• Removing quotes may allow a broader search: (( harvard world bank study book series. ) or ( harvard second urban studies from surveys. ))*.