Perhaps you should try some spelling variations:
"harvard cold case studies force surveys." » "harvard cold case studies formal surveys.", "harvard cold case studies from surveys.", "harvard cold case studies food surveys.", "harvard cold case studies force survey.", "harvard cold case studies firm surveys.", "harvard world case studies force surveys.", "harvard cold call studies force surveys.", "harvard cold wave studies force surveys."
"harvard cold urban studies book series." » "harvard clld urban studies book series.", "harvard world urban studies book series.", "harvard good urban studies book series.", "harvard cold urban studies books series.", "harvard cold urban 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 cold urban studies book series.") or ("harvard cold case studies force surveys."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold urban studies book series.") OR ("harvard cold case studies force surveys.")).
• Removing quotes may allow a broader search: (( harvard cold urban studies book series. ) or ( harvard cold case studies force surveys. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard cold urban studies book series.") or ("harvard cold case studies force surveys."))*.