Perhaps you should try some spelling variations:
"harvard world war studies book series." » "harvard cold war studies book series.", "harvard world war stories book series.", "harvard world early studies book series.", "harvard world war studies books series.", "harvard world war studies ebook series."
"harvard bond bank study firm survey." » "harvard cold bank study firm survey.", "harvard home bank study firm survey.", "harvard bond bank study first survey.", "harvard bond bank study forms survey.", "harvard bond bank study from survey.", "harvard blood bank study firm survey.", "harvard land bank study firm survey.", "harvard bad bank study firm 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 world war studies book series.") or ("harvard bond bank study firm survey."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world war studies book series.") OR ("harvard bond bank study firm survey."))*.
• Removing quotes may allow a broader search: (( harvard world war studies book series. ) or ( harvard bond bank study firm survey. ))*.