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