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

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

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