Hi, it seems like you are copying this from Google Maps, which is illegal because of copyright. Instead, please refer to government's documentations (Quy hoạch). For this change, please check:
1. https://sotnmt.namdinh.gov.vn/uploads/laws/files/2021_755-756_1454-qd-ttg.pdf
2. https://hatinh.gov.vn/qrcode/202304