Perhaps you should try some spelling variations:
"harvard blood bank studies book series." » "harvard blood case studies book series.", "harvard blood bank study book series.", "harvard blood bank studies from series.", "harvard flood bank studies book series."
"harvard cold urban studies book series." » "harvard cold urban studies from series.", "harvard good urban studies book series.", "harvard cost urban studies book series.", "harvard second urban studies book series."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard blood bank studies book series.") or ("harvard cold urban studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard blood bank studies book series.") OR ("harvard cold urban studies book series.")).
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• Adding a wildcard symbol may retrieve word variants: (("harvard blood bank studies book series.") or ("harvard cold urban studies book series."))*.