Thi Bich Tuyen Nguyen and Vietnam shut the doors on Alas Pilipinas’ hopes of qualifying for the Volleyball Nations League next year after a 25-14, 25-22, 25-21 victory Friday night in the FIVB Challenger Cup at Ninoy Aquino Stadium. Tuyen peppered the Filipinas with 30 points built on 27 attack points and three blocks to