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