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