Perhaps you should try some spelling variations:
"harvard cold bank studies from survey." » "harvard cold urban studies from survey.", "harvard cold bank studies firm survey.", "harvard world bank studies from survey.", "harvard bond bank studies from survey.", "harvard good bank studies from survey."
"harvard bad bank study book series." » "harvard camp bank study book series.", "harvard bad bank studies book series.", "harvard bad banks study book series.", "harvard land bank study book series.", "harvard bond bank study book series."

Try widening your search to All Fields.

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