Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicasoos administracao" » "publicaasoos administracao" (Expand Search), "publicoasoos administracao" (Expand Search), "publicasasoos administracao" (Expand Search)
"publicao administration" » "publicaao administration" (Expand Search), "publicoao administration" (Expand Search), "publicasao administration" (Expand Search), "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (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 ("publicasoos administracao"))) OR ("publicao administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicasoos administracao\"))) OR (\"publicao administration\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicasoos administracao ))) OR ( publicao administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicasoos administracao"))) OR ("publicao administration"))*.