Perhaps you should try some spelling variations:
"harvard cold bank studies from survey." » "harvard cold urban studies from survey.", "harvard cold bank study 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 world case studies book series." » "harvard world class studies book series.", "harvard world case studies books series.", "harvard world case studies ebook 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 world case studies book series.") or ("harvard cold bank studies from survey."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world case studies book series.") OR ("harvard cold bank studies from survey."))*.
• Removing quotes may allow a broader search: (( harvard world case studies book series. ) or ( harvard cold bank studies from survey. ))*.