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)
"publicossa administration" » "publicaossa administration" (Expand Search), "publicoossa administration" (Expand Search), "publicasossa administration" (Expand Search), "publicossa administracao" (Expand Search), "publicos 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 administration") OR ("publicossa administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicasasa administration\") OR (\"publicossa administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicasasa administration ) OR ( publicossa administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicasasa administration") OR ("publicossa administration"))))*.