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