Heat vegetable oil in a large skillet.

Sauté minced garlic and shallots until soft.

Add the chicken breast strips to the skillet.

Season with salt, pepper, and soy sauce.

Sauté for a few minutes until the chicken is lightly browned.

Add matchstick carrots, diagonally cut green beans, and cooked shrimp (if using).

Cover the skillet and cook for a few minutes.

Add sliced Napa cabbage and chicken broth to the skillet and bring to a boil.

Cook until the vegetables are done.

Add the soaked rice noodles (bihon or pancit) to the skillet.

Mix well to distribute the flavors.

Cook for about 5 more minutes or until the noodles are soft.

Taste and adjust seasonings to your preference.

Serve hot.