Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicasa administration" » "publicaasa administration" (Expand Search), "publicoasa administration" (Expand Search), "publicasasa administration" (Expand Search), "publicas administration" (Expand Search), "publica administration" (Expand Search), "publicos administration" (Expand Search)
"publicasos administracao" » "publicaasos administracao" (Expand Search), "publicoasos administracao" (Expand Search), "publicasasos 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 ((("publicasa administration") OR ("publicasos administracao"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicasa administration\") OR (\"publicasos administracao\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicasa administration ) OR ( publicasos administracao )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicasa administration") OR ("publicasos administracao"))))*.