Perhaps you should try some spelling variations:
"harvard cold war studies books series." » "harvard cold war studies book series.", "harvard cold war studies booklet series.", "harvard cold war student books series.", "harvard cold war studies books strips.", "harvard cold war stories books series.", "harvard cold early studies books series.", "harvard world war studies books series."
"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."

You may be able to get more results by adjusting your search query.

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