specific way, such as the forefathers who clear land and set up villages: Tran Vu, Vu Chi, Hoang Gia, Vu Duy Hoa, Pham Cap ( Hai Anh, Hai Hau district), Pham Van Nghi, Nguyen Dien, Pham Thanh (Hai Lang, Nghia Hung district), Corn Free (An Cu, Xuan Truong distric), etc... ...