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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("publicas administration") OR ("publicaoas administration"))) OR ("public administracao"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"publicas administration\") OR (\"publicaoas administration\"))) OR (\"public administracao\"))".
• Removing quotes may allow a broader search: (((( publicas administration ) OR ( publicaoas administration ))) OR ( public administracao )).
• Adding a wildcard symbol may retrieve word variants: (((("publicas administration") OR ("publicaoas administration"))) OR ("public administracao"))*.