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