Perhaps you should try some spelling variations:
harvard based » hardware based
harvard bond » harvard cold, harvard home
sale studies » scale studies, sage studies, state studies
based urban » basic urban
from series » rom series, from services, forum series
bond sale » bond sales, bond rate
book » books, ebook

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( harvard based urban studies from series. ) or ( harvard bond sale studies book series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( harvard based urban studies from series. ) OR ( harvard bond sale studies book series. )).
• Adding a wildcard symbol may retrieve word variants: (( harvard based urban studies from series. ) or ( harvard bond sale studies book series. ))*.