Perhaps you should try some spelling variations:
"publica administration" » "publica administracao" (Expand Search)
"publicaaas administration" » "publicaaas administracao" (Expand Search), "publicas administration" (Expand Search)
"publicoosaa administration" » "publicoosaa 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: (((("publica administration") OR ("publicaaas administration"))) OR ("publicoosaa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"publica administration\") OR (\"publicaaas administration\"))) OR (\"publicoosaa administration\"))".
• Removing quotes may allow a broader search: (((( publica administration ) OR ( publicaaas administration ))) OR ( publicoosaa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("publica administration") OR ("publicaaas administration"))) OR ("publicoosaa administration"))*.