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)
"publicasao administration" » "publicaasao administration" (Expand Search), "publicoasao administration" (Expand Search), "publicasasao administration" (Expand Search), "publicasao administracao" (Expand Search), "publicas administration" (Expand Search)
"publicoosoas administration" » "publicaoosoas administration" (Expand Search), "publicooosoas administration" (Expand Search), "publicasoosoas administration" (Expand Search), "publicoosoas 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 ((("publicasao administration") OR ("publicoosoas administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicasao administration\") OR (\"publicoosoas administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicasao administration ) OR ( publicoosoas administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicasao administration") OR ("publicoosoas administration"))))*.