Heat oil in large wok, fry noodles until they puff up. Noodles shoudl be pale gold. Drain on paper towels. Pour off oil leaving 2 T in wok. Fry onions & garlic until light brown. Add pork, cook 3 minutes. Add chicken, cook 3 minutes. Add mushrooms and serranos, reduce heat, let simmer 5 minutes. Mix soy sauce, lime juice, vinegar, sugar and fish sauce in small bowl. Add to wok, simmer until reduced by half. Add shrimp, cook 1 minute. Make hole in center of ingredients, add beaten eggs. Stir to distribute. Add sprouts & noodles. Stir until just heated through. Garnish with green onions & cilantro and serve.