Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search), "public administracao" (Expand Search)
"publicasoaas administration" » "publicaasoaas administration" (Expand Search), "publicoasoaas administration" (Expand Search), "publicasasoaas administration" (Expand Search), "publicasoaas administracao" (Expand Search)
"publicosoa administration" » "publicaosoa administration" (Expand Search), "publicoosoa administration" (Expand Search), "publicasosoa administration" (Expand Search), "publicosoa administracao" (Expand Search), "publicos 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 ("publicasoaas administration"))) OR ("publicosoa administration"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public administration\") OR (\"publicasoaas administration\"))) OR (\"publicosoa administration\"))".
• Removing quotes may allow a broader search: (((( public administration ) OR ( publicasoaas administration ))) OR ( publicosoa administration )).
• Adding a wildcard symbol may retrieve word variants: (((("public administration") OR ("publicasoaas administration"))) OR ("publicosoa administration"))*.