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)
"publicoosas administration" » "publicaoosas administration" (Expand Search), "publicooosas administration" (Expand Search), "publicasoosas administration" (Expand Search), "publicoosas 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)

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 ("publicoosas administration"))) OR ("publicoasa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicoosas administration\"))) OR (\"publicoasa administration\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicoosas administration ))) OR ( publicoasa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicoosas administration"))) OR ("publicoasa administration"))*.