'This book is the first and only combination until the present moment of astronomy, ancient bibliography, language, culture, customs and genetics for the purpose of exploring Vietnamese history. This book is divided into four parts. Part 1: A new way of interpreting Nam Giao - Giao Chi - Tuong district - Cuu Chan - Nhat Nam terms from an astronomical perspective combined with a root research of historical documents from the Qin-Han Dynasty backwards. Part 2: New assumptions about Vietnamese history from the Hai Ba Trung era backwards. Part 3: Translation of original bibliographies related to ancient Vietnamese history. Part 4: Overview of modern astronomy and ancient Chinese astronomy used by the author to study Vietnamese history.