Kalsiyum oksit
Diogo Cão
Cao Bằng (il)
Cao Wenxuan
Cao Xueqin
Cao Cao
Cao Pi
Cao Lãnh
Cao Bằng
Cao Fang
Cao Lu
Cao Yuan
Cao Huan
Cao Mao
Cao Lei
Cao Ziyang
Cao Rui
Cao Jianming
Cao Liguo
Marcelino Martínez
No Party for Cao Dong