Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicoasaaas administration" » "publicaoasaaas administration" (Expand Search), "publicooasaaas administration" (Expand Search), "publicasoasaaas administration" (Expand Search)
"publicaaa administracao" » "publicaaaa administracao" (Expand Search), "publicoaaa administracao" (Expand Search), "publicasaaa administracao" (Expand Search), "publica administracao" (Expand Search), "publicas 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: (((("public administration") OR ("publicoasaaas administration"))) OR ("publicaaa administracao"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicoasaaas administration\"))) OR (\"publicaaa administracao\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicoasaaas administration ))) OR ( publicaaa administracao )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicoasaaas administration"))) OR ("publicaaa administracao"))*.