8 ounces thin spaghetti
2 tablespoons peanut oil, plus oil for deep frying
1/2 cup shredded Chinese cabbage
1/2 cup shredded celery
2 tablespoons soy sauce
1 teaspoon sugar
1/4 teaspoon monosodium glutamate
1/2 cup clear chicken broth
1/2 cup fresh or canned bean sprouts
1 cup cooked chicken, shredded
1 tablespoon cornstarch