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)
"publicooos administration" » "publicaooos administration" (Expand Search), "publicoooos administration" (Expand Search), "publicasooos administration" (Expand Search), "publicooos administracao" (Expand Search), "publicos administration" (Expand Search)
"publicoasasa administration" » "publicaoasasa administration" (Expand Search), "publicooasasa administration" (Expand Search), "publicasoasasa administration" (Expand Search), "publicoasasa 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 ((("publicooos administration") OR ("publicoasasa administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicooos administration\") OR (\"publicoasasa administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicooos administration ) OR ( publicoasasa administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicooos administration") OR ("publicoasasa administration"))))*.