Whisk together soy sauce, oyster sauce, sugar, and sesame oil in a small bowl.
Cook noodles according to package instructions, drain, and set aside.
Heat vegetable oil in a wok or large skillet over high heat.
Add minced garlic and stir-fry for 30 seconds until fragrant.
Add cabbage and carrots to the pan and stir-fry for 2 minutes until slightly softened.
Incorporate the cooked noodles and the prepared sauce mixture.
Toss vigorously for 2 minutes until the noodles are evenly coated and caramelized.
Add green onions, toss once more, and remove from heat.