Perhaps you should try some spelling variations:
"publico administration" » "publica administration" (Expand Search), "publico administracao" (Expand Search)
"publicosas administration" » "publicasas administration" (Expand Search), "publicosas administracao" (Expand Search), "publicas administration" (Expand Search), "publicaas administration" (Expand Search)
"publicos administration" » "publicas administration" (Expand Search), "publicos administracao" (Expand Search), "publica 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 (((\"publicosas administration\") OR (\"publicos administration\"))))~".
• Removing quotes may allow a broader search: (( publico administration ) OR ((( publicosas administration ) OR ( publicos administration ))))~.
• Adding a wildcard symbol may retrieve word variants: (("publico administration") OR ((("publicosas administration") OR ("publicos administration"))))*.