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