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)
"publicaa administration" » "publicaaa administration" (Expand Search), "publicasaa administration" (Expand Search), "publicosaa administration" (Expand Search), "publica administration" (Expand Search), "publicas administration" (Expand Search), "publicos 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 ("publicaa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administracao\") OR (\"publico administration\"))) OR (\"publicaa administration\"))".
• Removing quotes may allow a broader search: (((( public administracao ) OR ( publico administration ))) OR ( publicaa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administracao") OR ("publico administration"))) OR ("publicaa administration"))*.