Perhaps you should try some spelling variations:
"harvard good bank studies from surveys." » "harvard cold bank studies from surveys.", "harvard home bank studies from surveys.", "harvard good bank study from surveys.", "harvard good bank studies firm surveys.", "harvard good bank studies force surveys.", "harvard blood bank studies from surveys.", "harvard good bad studies from surveys."
"harvard good urban studies from survey." » "harvard cold urban studies from survey.", "harvard home urban studies from survey.", "harvard good urban studies firm survey."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard good bank studies from surveys.") or ("harvard good urban studies from survey."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard good bank studies from surveys.") OR ("harvard good urban studies from survey.")).
• Removing quotes may allow a broader search: (( harvard good bank studies from surveys. ) or ( harvard good urban studies from survey. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard good bank studies from surveys.") or ("harvard good urban studies from survey."))*.