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 flood bank studies book series."
"harvard cost urban studies from series." » "harvard cost urban studies from sources.", "harvard cost urban studies from service.", "harvard cost urban studies from surveys.", "harvard most urban studies from series."

You may be able to get more results by adjusting your search query.

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