Perhaps you should try some spelling variations:
"harvard world bank study book series." » "harvard cold bank study book series.", "harvard world bank studies book series."
"harvard cost urban studies pre surveys." » "harvard cold urban studies pre surveys.", "hardware cost urban studies pre surveys.", "harvard camp urban studies pre surveys.", "harvard cost urban studies part surveys.", "harvard cost urban studies pt surveys.", "harvard cost urban studies die surveys.", "harvard cost urban studies pre survey.", "harvard cost urban studies re surveys.", "harvard cost urban studies tie surveys.", "harvard most urban studies pre surveys.", "harvard worst urban studies pre surveys.", "harvard bust urban studies pre surveys."

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 world bank study book series.") or ("harvard cost urban studies pre surveys."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard world bank study book series.") OR ("harvard cost urban studies pre surveys.")).
• Removing quotes may allow a broader search: (( harvard world bank study book series. ) or ( harvard cost urban studies pre surveys. )).
• Adding a wildcard symbol may retrieve word variants: (("harvard world bank study book series.") or ("harvard cost urban studies pre surveys."))*.