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