Apart from discovering the architectural vestiges of Ly, Tran, Le, Nguyen dynasties, the National Museum of Vietnamese History archaeologists also collected a collection of abudant artifact with diffirent types in this relic, in which most of them are building materials, architectural decorations and ceramics of Ly dynasty (11th - 13th century) and Restored Le dynasty (16th - 18th century) and the few of the other ones are in the Chinese domination period (1st - 10th century), Mac dynasty (16th century), Nguyen dynasty (19th - early 20 century).