Mix sugar, white pepper, soy sauce, water in the bowl and set aside. In another bowl, marinate the chicken with cornstarch.
Heat up a wok and add in the cooking oil.
Add in the chopped garlic and stir-fry until aromatic or turn light brown.
Stir in the chicken meat and fry until the chicken is cooked through.
Add in shrimps and continue stir-frying until cooked.
Add in the vermicelli and then follow by seasonings. Toss the rice sticks continuously until fully coated.
Continue to stir fry for 3 minutes or until noodles turn soft, then throw in bean sprouts and spring onions. Stir-fry until the bean sprouts are cooked.