Perhaps you should try some spelling variations:
"public spaces administration argentina." » "public spaces administration general.", "public states administration argentina.", "public sports administration argentina.", "public spain administration argentina.", "publica spaces administration argentina."
"public health administration argentina." » "public health administration general.", "public public administration argentina.", "publica health administration argentina."

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: (("public spaces administration argentina.") or ("public health administration argentina."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("public spaces administration argentina.") OR ("public health administration argentina.")).
• Removing quotes may allow a broader search: (( public spaces administration argentina. ) or ( public health administration argentina. )).
• Adding a wildcard symbol may retrieve word variants: (("public spaces administration argentina.") or ("public health administration argentina."))*.