Perhaps you should try some spelling variations:
"publicas administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administracao" (Expand Search)
"publicos administration" » "publicos administracao" (Expand Search), "publico administration" (Expand Search), "publica administration" (Expand Search)
"publicosas administration" » "publicosas administracao" (Expand Search), "publicoas administration" (Expand Search), "publicaas administration" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"publicas administration\") OR (((\"publicos administration\") OR (\"publicosas administration\"))))~".
• Removing quotes may allow a broader search: (( publicas administration ) OR ((( publicos administration ) OR ( publicosas administration ))))~.
• Adding a wildcard symbol may retrieve word variants: (("publicas administration") OR ((("publicos administration") OR ("publicosas administration"))))*.