Perhaps you should try some spelling variations:
"harvard good bank studies book series." » "harvard home bank studies book series.", "harvard good urban studies book series.", "harvard good bank study book series.", "harvard blood bank studies book series.", "harvard good bad studies book series.", "harvard good bank studies books series.", "harvard good bank studies ebook series."
"harvard cold case studies from sources." » "harvard world case studies from sources.", "harvard cold call studies from sources.", "harvard cold wave studies from sources."

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