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

Try widening your search to All Fields.

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

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold bank study book series.") OR ("harvard good urban studies from surveys.")).
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• Adding a wildcard symbol may retrieve word variants: (("harvard cold bank study book series.") or ("harvard good urban studies from surveys."))*.