Perhaps you should try some spelling variations:
"harvard second urban studies book series." » "harvard cold urban studies book series.", "harvard beyond urban studies book series.", "harvard second great studies book series.", "harvard second bank studies book series.", "harvard second urban studies books series.", "harvard second urban studies ebook series."
"harvard bad case studies book series." » "harvard cold case studies book series.", "harvard camp case studies book series.", "harvard based case studies book series.", "harvard id case studies book series.", "harvard d case studies book series.", "harvard bad case studies books series.", "harvard bad case studies ebook series."

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

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