Perhaps you should try some spelling variations:
"harvard bond rate studies book series." » "harvard cold rate studies book series.", "harvard home rate studies book series.", "harvard bond race studies book series.", "harvard bond trade studies book series.", "harvard bond state studies book series.", "harvard bond rate studies books series.", "harvard bond rate studies ebook series."
"harvard bond case studies from series." » "harvard cold case studies from series.", "harvard home case studies from series.", "harvard bond case studies rom series.", "harvard bond case studies from services.", "harvard bond case studies forum series.", "harvard bond cash studies from series.", "harvard blind case studies from series.", "harvard board case studies from series."

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