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