Perhaps you should try some spelling variations:
"publicas administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administracao" (Expand Search)
"publicaaas administration" » "publicaaas administracao" (Expand Search)
"publicooaa administration" » "publicooaa administracao" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("publicas administration") OR ("publicaaas administration"))) OR ("publicooaa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"publicas administration\") OR (\"publicaaas administration\"))) OR (\"publicooaa administration\"))".
• Removing quotes may allow a broader search: (((( publicas administration ) OR ( publicaaas administration ))) OR ( publicooaa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("publicas administration") OR ("publicaaas administration"))) OR ("publicooaa administration"))*.