Perhaps you should try some spelling variations:
"publica health administration general." » "publica health administracion general.", "publica public administration general.", "public health administration general.", "public heath administration general."
"public states administration general." » "public states administracion general.", "public tax administration general.", "public series administracion general.", "public sports administration general.", "public spaces administration general.", "public space administration general.", "public baths administration general."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("publica health administration general.") or ("public states administration general."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("publica health administration general.") OR ("public states administration general.")).
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