Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicasasa administracao" » "publicaasasa administracao" (Expand Search), "publicoasasa administracao" (Expand Search), "publicasasasa administracao" (Expand Search)
"publicos administration" » "publicaos administration" (Expand Search), "publicoos administration" (Expand Search), "publicasos administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search), "publica 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 ((("publicasasa administracao") OR ("publicos administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicasasa administracao\") OR (\"publicos administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicasasa administracao ) OR ( publicos administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicasasa administracao") OR ("publicos administration"))))*.