Perhaps you should try some spelling variations:
"harvard world bank studies from series." » "harvard cold bank studies from series.", "harvard world bank study from series.", "harvard world bank studies rom series.", "harvard world bank studies from services.", "harvard world bank studies forum series."
"harvard good urban studies book series." » "harvard cold urban studies book series.", "harvard home urban studies book series.", "harvard good urban studies books series.", "harvard good urban studies ebook series."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("harvard world bank studies from series.") or ("harvard good urban studies book series."))~.
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• Adding a wildcard symbol may retrieve word variants: (("harvard world bank studies from series.") or ("harvard good urban studies book series."))*.