Perhaps you should try some spelling variations:
"harvard cold war studies ebook series." » "harvard cold war studies book series.", "harvard cold war studies textbook series.", "harvard cold war studies yearbook series.", "harvard cold war stories ebook series.", "harvard cold early studies ebook series.", "harvard world war studies ebook 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 ebook series.") OR ("harvard cold war studies from surveys."))~.
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• Adding a wildcard symbol may retrieve word variants: (("harvard cold war studies ebook series.") or ("harvard cold war studies from surveys."))*.