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