Perhaps you should try some spelling variations:
"harvard world case studies from service." » "harvard world case studies from serbia.", "harvard world class studies from service."
"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 world case studies from service."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard cold urban studies book series.") OR ("harvard world case studies from service.")).
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• Adding a wildcard symbol may retrieve word variants: (("harvard cold urban studies book series.") or ("harvard world case studies from service."))*.