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