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