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