Sauté garlic in oil in a small saucepan over medium heat 1 to 2 minutes or until golden. Stir in fish sauce, brown sugar, and chili-garlic sauce. Bring to a simmer over medium heat, and simmer, stirring occasionally, 4 to 5 minutes or until thickened and reduced to about 1/2 cup. Stir in peanuts. Sprinkle coated wings with cilantro and mint leaves.