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 from surveys." » "harvard cold bank study from surveys.", "harvard home bank study from surveys.", "harvard bond bank study from survey.", "harvard bond bank study firm surveys.", "harvard bond bank study force surveys.", "harvard bond bank studies from surveys.", "harvard blood bank study from surveys.", "harvard land bank study from surveys.", "harvard bad bank study from surveys."

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 from surveys."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world war studies book series.") OR ("harvard bond bank study from surveys."))*.
• Removing quotes may allow a broader search: (( harvard world war studies book series. ) or ( harvard bond bank study from surveys. ))*.