Perhaps you should try some spelling variations:
"harvard cold case studies from series." » "harvard cold case studies from sources.", "harvard cold case studies from service.", "harvard cold case studies from surveys.", "harvard cold wave studies from series."
"harvard world case studies book series." » "harvard world class studies book series.", "harvard worst case studies book series."

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