This represents a unique symbol. It may signify a product. To fully comprehend its meaning, we need further context. Perhaps it is associated with certain database. Looking into the where it came from of this identifier would be helpful. Truc Tiep Da Ga Thomo 2023 Thoi gian den tai/vào/cho ??n ngay thang/ngày tháng/ngày/ 15/m??i l?m/n