like bài này đc hăm ~ https://diendan.hocmai.vn/threads/cong-bo-binh-chon-bai-du-thi-event-cay-but-tre-2019.762700/page-3#post-3811046
https://diendan.hocmai.vn/threads/cong-bo-binh-chon-bai-du-thi-event-cay-but-tre-2019.762700/page-3#post-3811046