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)
"publicoosa administration" » "publicaosa administration" (Expand Search), "publicoosa administracao" (Expand Search), "publicosa administration" (Expand Search), "publicasa 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 ("publicoosa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"publico administration\") OR (\"publicoos administration\"))) OR (\"publicoosa administration\"))".
• Removing quotes may allow a broader search: (((( publico administration ) OR ( publicoos administration ))) OR ( publicoosa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("publico administration") OR ("publicoos administration"))) OR ("publicoosa administration"))*.