Perhaps you should try some spelling variations:
"public administracao" » "publica administracao" (Expand Search), "publicas administracao" (Expand Search), "publicos administracao" (Expand Search)
"publico administration" » "publicao administration" (Expand Search), "publicaso administration" (Expand Search), "publicoso administration" (Expand Search), "publica administration" (Expand Search)
"publicoos administration" » "publicaoos administration" (Expand Search), "publicasoos administration" (Expand Search), "publicosoos administration" (Expand Search), "publicaos administration" (Expand Search), "publicos administration" (Expand Search), "publicas administration" (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: (("public administracao") OR ((("publico administration") OR ("publicoos administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administracao\") OR (((\"publico administration\") OR (\"publicoos administration\"))))".
• Removing quotes may allow a broader search: (( public administracao ) OR ((( publico administration ) OR ( publicoos administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administracao") OR ((("publico administration") OR ("publicoos administration"))))*.