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)
"publicoasa administration" » "publicaoasa administration" (Expand Search), "publicooasa administration" (Expand Search), "publicasoasa administration" (Expand Search), "publicoasa administracao" (Expand Search), "publicas administration" (Expand Search), "publicos administration" (Expand Search)
"publicasosoa administration" » "publicaasosoa administration" (Expand Search), "publicoasosoa administration" (Expand Search), "publicasasosoa administration" (Expand Search), "publicasosoa 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 ("publicoasa administration"))) OR ("publicasosoa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicoasa administration\"))) OR (\"publicasosoa administration\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicoasa administration ))) OR ( publicasosoa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicoasa administration"))) OR ("publicasosoa administration"))*.