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)
"publicosoos administration" » "publicasoos administration" (Expand Search), "publicosoos administracao" (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 (\"publicosoos administration\"))))~".
• Removing quotes may allow a broader search: (( publico administration ) OR ((( publicoas administration ) OR ( publicosoos administration ))))~.
• Adding a wildcard symbol may retrieve word variants: (("publico administration") OR ((("publicoas administration") OR ("publicosoos administration"))))*.