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

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: (("public spain administration general.") OR ("public health administration argentina."))~.
• Removing quotes may allow a broader search: (( public spain administration general. ) or ( public health administration argentina. ))~.
• Adding a wildcard symbol may retrieve word variants: (("public spain administration general.") or ("public health administration argentina."))*.