Perhaps you should try some spelling variations:
"harvard land bank study from service." » "harvard land bank study food service.", "harvard land bank study from serbia.", "harvard land banks study from service."
"harvard world bank studies from series." » "harvard world urban studies from series.", "harvard world case studies from series.", "harvard world bank studies from sources.", "harvard world bank studies from surveys.", "harvard world bank studies from serbian."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard world bank studies from series.") or ("harvard land bank study from service."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world bank studies from series.") OR ("harvard land bank study from service."))*.
• Removing quotes may allow a broader search: (( harvard world bank studies from series. ) or ( harvard land bank study from service. ))*.