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)
"publicoooa administration" » "publicaoooa administration" (Expand Search), "publicooooa administration" (Expand Search), "publicasoooa administration" (Expand Search), "publicoooa administracao" (Expand Search)
"publicoasooa administration" » "publicaoasooa administration" (Expand Search), "publicooasooa administration" (Expand Search), "publicasoasooa administration" (Expand Search), "publicoasooa 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 ((("publicoooa administration") OR ("publicoasooa administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicoooa administration\") OR (\"publicoasooa administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicoooa administration ) OR ( publicoasooa administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicoooa administration") OR ("publicoasooa administration"))))*.