Perhaps you should try some spelling variations:
"publico administration" » "publica administration" (Expand Search), "publico administracao" (Expand Search)
"publicooaas administration" » "publicaoaas administration" (Expand Search), "publicooaas administracao" (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.

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