Perhaps you should try some spelling variations:
"harvard world bank study rom series." » "harvard cold bank study rom series.", "harvard world bank study forum series.", "harvard world bank study from series.", "harvard world bank study roma series.", "harvard world bank study roman series."
"harvard food bank studies book series." » "harvard cold bank studies book series.", "forward food bank studies book series.", "harvard home bank studies book series.", "harvard food urban studies book series.", "harvard good bank studies book series.", "harvard blood bank studies book series.", "harvard good banks studies book series.", "harvard food bank studies books series.", "harvard food bank 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 food bank studies book series.") OR ("harvard world bank study rom series."))~.
• Removing quotes may allow a broader search: (( harvard food bank studies book series. ) or ( harvard world bank study rom series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("harvard food bank studies book series.") or ("harvard world bank study rom series."))*.