Perhaps you should try some spelling variations:
"harvard world case studies from serbia." » "harvard cold case studies from serbia.", "harvard world class studies from serbia."
"harvard bond urban studies book series." » "harvard cold urban studies book series.", "harvard home urban studies book series.", "harvard beyond urban studies book series.", "harvard good urban studies book series.", "harvard bank urban studies book series.", "harvard bond urban studies books series.", "harvard bond urban 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 bond urban studies book series.") OR ("harvard world case studies from serbia."))~.
• Removing quotes may allow a broader search: (( harvard bond urban studies book series. ) or ( harvard world case studies from serbia. ))~.
• Adding a wildcard symbol may retrieve word variants: (("harvard bond urban studies book series.") or ("harvard world case studies from serbia."))*.