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