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