Perhaps you should try some spelling variations:
"harvard blood bank study from sources." » "harvard cold bank study from sources.", "harvard blood bank studies from sources."
"harvard world bank studies book series." » "harvard cold bank studies book series.", "harvard world urban studies book series.", "harvard world bank studies books series.", "harvard world bank studies ebook 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 blood bank study from sources.") or ("harvard world bank studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard blood bank study from sources.") OR ("harvard world bank studies book series."))*.
• Removing quotes may allow a broader search: (( harvard blood bank study from sources. ) or ( harvard world bank studies book series. ))*.