Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicoas administration" » "publicaoas administration" (Expand Search), "publicooas administration" (Expand Search), "publicasoas administration" (Expand Search), "publicas administration" (Expand Search), "publicos administration" (Expand Search), "publica administration" (Expand Search)
"publicoasoos administracao" » "publicaoasoos administracao" (Expand Search), "publicooasoos administracao" (Expand Search), "publicasoasoos administracao" (Expand Search), "publicasoos administracao" (Expand Search), "publicosoos administracao" (Expand Search), "publicaoos 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 ("publicoas administration"))) OR ("publicoasoos administracao"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicoas administration\"))) OR (\"publicoasoos administracao\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicoas administration ))) OR ( publicoasoos administracao )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicoas administration"))) OR ("publicoasoos administracao"))*.