Perhaps you should try some spelling variations:
"harvard cold bank study from service." » "harvard cold bank study food service.", "harvard cold bank study from serbia.", "harvard world bank study from service.", "harvard bond bank study from service.", "harvard good bank study from service."
"harvard cold case studies from series." » "harvard cold case studies from sources.", "harvard cold case studies from surveys.", "harvard cold case studies from serbian.", "harvard world case studies from series.", "harvard cold wave studies from 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 case studies from series.") or ("harvard cold bank study from service."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold case studies from series.") OR ("harvard cold bank study from service."))*.
• Removing quotes may allow a broader search: (( harvard cold case studies from series. ) or ( harvard cold bank study from service. ))*.