vịnh Cựu Kim Sơn 
San Francisco Bay [ vịnh ] : bay, gulf
[ Cựu ] : old, ancient, former
[ Kim ] : needle, pin; metal, gold, hand (on a watch)
[ Sơn ] : (1) mountain; (2) to paint, color, lacquer; paint, lacquer
Most Common Compounds Set 1:
Most Common Compounds Set 2 :