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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard cold bank study book series.") OR ("harvard cold bank studies from surveys."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"harvard cold bank study book series.\") OR (\"harvard cold bank studies from surveys.\"))".
• Removing quotes may allow a broader search: (( harvard cold bank study book series. ) OR ( harvard cold bank studies from surveys. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard cold bank study book series.") OR ("harvard cold bank studies from surveys."))*.