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)
"publicasos administration" » "publicaasos administration" (Expand Search), "publicoasos administration" (Expand Search), "publicasasos administration" (Expand Search), "publicasos administracao" (Expand Search), "publicas administration" (Expand Search), "publicos administration" (Expand Search)
"publicoasoos administration" » "publicaoasoos administration" (Expand Search), "publicooasoos administration" (Expand Search), "publicasoasoos administration" (Expand Search), "publicoasoos 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 ((("publicasos administration") OR ("publicoasoos administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicasos administration\") OR (\"publicoasoos administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicasos administration ) OR ( publicoasoos administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicasos administration") OR ("publicoasoos administration"))))*.