1. Cook the rice noodles according to the package instructions. Drain and set aside.
2. Heat the vegetable oil in a wok over medium-high heat.
3. Add the bean sprouts, shredded carrots, and green onions. Stir-fry for 2-3 minutes.
4. Add the cooked noodles to the wok and toss to combine.
5. Add the soy sauce, oyster sauce, fish sauce, sugar, and chili flakes. Stir-fry for another 2-3 minutes until everything is well combined and heated through.