Perhaps you should try some spelling variations:
"harvard cold urban studies firm surveys." » "harvard cold urban studies from surveys.", "harvard cold urban studies confirm surveys.", "harvard cold urban studies figure surveys.", "harvard cold urban studies firm survey.", "harvard clld urban studies firm surveys.", "harvard world urban studies firm surveys.", "harvard good urban studies firm surveys."
"harvard world 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."

Try widening your search to All Fields.

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 cold urban studies firm surveys."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world war studies book series.") OR ("harvard cold urban studies firm surveys.")).
• Removing quotes may allow a broader search: (( harvard world war studies book series. ) or ( harvard cold urban studies firm surveys. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard world war studies book series.") or ("harvard cold urban studies firm surveys."))*.