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