Perhaps you should try some spelling variations:
"harvard second rural studies book series." » "harvard cold rural studies book series.", "harvard second rural students book series.", "harvard second israel studies book series.", "harvard second legal studies book series."
"harvard bad bank study book series." » "harvard cold bank study book series.", "harvard camp bank study book series.", "harvard bad banks study book series.", "harvard land bank study book series.", "harvard bond bank study book series."

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 bad bank study book series.") or ("harvard second rural studies book series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("harvard bad bank study book series.") OR ("harvard second rural studies book series.")).
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• Adding a wildcard symbol may retrieve word variants: (("harvard bad bank study book series.") or ("harvard second rural studies book series."))*.