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