Perhaps you should try some spelling variations:
"publico administration" » "publica administration" (Expand Search), "publico administracao" (Expand Search)
"publicoaa administration" » "publicaaa administration" (Expand Search), "publicoaa administracao" (Expand Search), "publica administration" (Expand Search), "publicas administration" (Expand Search), "publicos administration" (Expand Search)
"publicoaaas administration" » "publicaaaas administration" (Expand Search), "publicoaaas administracao" (Expand Search), "publicaas administration" (Expand Search), "publicasas administration" (Expand Search), "publicosas 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 ((("publicoaa administration") OR ("publicoaaas administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"publico administration\") OR (((\"publicoaa administration\") OR (\"publicoaaas administration\"))))*".
• Removing quotes may allow a broader search: (( publico administration ) OR ((( publicoaa administration ) OR ( publicoaaas administration ))))*.