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