Heat remaining oil in wok. Add seafood; stir-fry 3 to 4 min. or until shrimp are pink and scallops are opaque. Remove from pan; set aside. Combine 1 Tbsp. water and remaining corn starch; set aside. Add vegetables and remaining water to wok. Bring to boil. simmer on low heat 3 min. or until vegetables are crisp-tender. Return seafood to wok. Stir in corn starch mixture; cook and stir until broth thickens. Remove from heat, add dressing; mix well. Pour over noodles; top with coriander leaves. Serve hot.