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