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