Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publicas administration" (Expand Search), "publicos administration" (Expand Search), "public administracao" (Expand Search)
"publicoasasaas administration" » "publicaoasasaas administration" (Expand Search), "publicasoasasaas administration" (Expand Search), "publicosoasasaas administration" (Expand Search), "publicoasasaas administracao" (Expand Search), "publicaasasaas administration" (Expand Search)
"publico administration" » "publicao administration" (Expand Search), "publicaso administration" (Expand Search), "publicoso administration" (Expand Search), "publico administracao" (Expand Search), "publica administration" (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 ("publicoasasaas administration"))) OR ("publico administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicoasasaas administration\"))) OR (\"publico administration\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicoasasaas administration ))) OR ( publico administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicoasasaas administration"))) OR ("publico administration"))*.