Perhaps you should try some spelling variations:
"publico administration" » "publica administration" (Expand Search), "publico administracao" (Expand Search)
"publicoas administration" » "publicaas administration" (Expand Search), "publicoas administracao" (Expand Search), "publicas administration" (Expand Search), "publicos administration" (Expand Search), "publica administration" (Expand Search)
"publicoasaa administration" » "publicaasaa administration" (Expand Search), "publicoasaa administracao" (Expand Search), "publicasaa administration" (Expand Search), "publicosaa administration" (Expand Search), "publicaaa administration" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"publico administration\") OR (\"publicoas administration\"))) OR (\"publicoasaa administration\"))~".
• Removing quotes may allow a broader search: (((( publico administration ) OR ( publicoas administration ))) OR ( publicoasaa administration ))~.
• Adding a wildcard symbol may retrieve word variants: (((("publico administration") OR ("publicoas administration"))) OR ("publicoasaa administration"))*.