Perhaps you should try some spelling variations:
"harvard world case studies book series." » "harvard cold case studies book series.", "harvard world class studies book series.", "harvard world case studies books series.", "harvard world case studies ebook series."
"harvard old museum studies from series." » "harvard cold museum studies from series.", "harvard home museum studies from series.", "harvard old museum studies rom series.", "harvard old museum studies from services.", "harvard old museum studies forum series.", "harvard als museum studies from series.", "harvard und museum studies from 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 world case studies book series.") or ("harvard old museum studies from series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world case studies book series.") OR ("harvard old museum studies from series."))*.
• Removing quotes may allow a broader search: (( harvard world case studies book series. ) or ( harvard old museum studies from series. ))*.