This is a unique symbol. It could indicate a product. To gain insight into its meaning, we need more details. It's possible it corresponds to a unique file. Looking into the origin of this code would be helpful. Da Ga Thomo Truc Tiep 2023 Thoi gian den tai/vào/cho ??n ngay thang/ngày tháng/ngày/ 15/m??i l?m/n?m m??i l?m thangtám/thá