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