xanh nước biển 
bright green [ xanh ] : blue, green
[ nước ] : country, nation, state; water, liquid (for drinking); gum(s) (flesh surrounding teeth)
[ biển ] : (1) ocean, sea, mare (lunar sea); (2) placard, sign; (3) miserly, stingy
Most Common Compounds Set 1:
Most Common Compounds Set 2 :