Cover noodles with boiling water and let stand for 5 minutes; drain well and reserve.
Heat half the oil in a wok or deep skillet set over high heat. Crumble in chicken and add hot sauce; stir-fry for 3 to 5 minutes or until browned. Reserve on a platter.
Add remaining oil and peppers to pan; stir-fry for 3 minutes. Add shrimp and stir-fry for 2 minutes. Stir in garlic, ginger, broth, ketchup, lime juice, sugar and fish sauce. Bring to a boil. Add noodles and reserved meat; toss mixture to combine. Heat through.
Add sprouts and toss gently. Sprinkle with onions, coriander and peanuts.