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