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)
"publicoasoa administration" » "publicaoasoa administration" (Expand Search), "publicooasoa administration" (Expand Search), "publicasoasoa administration" (Expand Search), "publicoasoa administracao" (Expand Search)
"publicaaasa administration" » "publicaaaasa administration" (Expand Search), "publicoaaasa administration" (Expand Search), "publicasaaasa administration" (Expand Search), "publicaaasa 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 ((("publicoasoa administration") OR ("publicaaasa administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicoasoa administration\") OR (\"publicaaasa administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicoasoa administration ) OR ( publicaaasa administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicoasoa administration") OR ("publicaaasa administration"))))*.