Perhaps you should try some spelling variations:
harvard bond » harvard cold, harvard home
from surveys » from survey, firm surveys, force surveys
harvard food » harvard cold, forward food, harvard home
study from » studies from
food urban » flood urban, foods urban, good urban
bond bank » blood bank, land bank, bad bank
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 bond bank study from surveys. ) or ( harvard food urban studies book series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( harvard bond bank study from surveys. ) OR ( harvard food urban studies book series. )).
• Adding a wildcard symbol may retrieve word variants: (( harvard bond bank study from surveys. ) or ( harvard food urban studies book series. ))*.