Perhaps you should try some spelling variations:
"harvard bond rate studies book series." » "harvard bond case studies book series.", "harvard bond tracer studies book series.", "harvard bond cases studies book series.", "harvard bank rate studies book series."
"harvard blood urban studies from series." » "harvard good urban studies from series.", "harvard blood urban studies from sources.", "harvard blood urban studies from service.", "harvard blood urban studies from surveys."

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