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