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 food survey." » "harvard cold war studies from survey.", "harvard cold war students food survey.", "harvard cold war studies field survey.", "harvard cold war stories food survey.", "harvard cold early studies food survey.", "harvard cold war studies hold survey.", "harvard cold war studies food sources.", "harvard world war studies food survey."

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 books series.") or ("harvard cold war studies food survey."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold war studies books series.") OR ("harvard cold war studies food survey."))*.
• Removing quotes may allow a broader search: (( harvard cold war studies books series. ) or ( harvard cold war studies food survey. ))*.