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