Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicoooas administration" » "publicaoooas administration" (Expand Search), "publicooooas administration" (Expand Search), "publicasoooas administration" (Expand Search)
"publicosas administracao" » "publicaosas administracao" (Expand Search), "publicoosas administracao" (Expand Search), "publicasosas administracao" (Expand Search), "publicas administracao" (Expand Search), "publicos 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 ((("publicoooas administration") OR ("publicosas administracao"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicoooas administration\") OR (\"publicosas administracao\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicoooas administration ) OR ( publicosas administracao )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicoooas administration") OR ("publicosas administracao"))))*.