Complex sentence: The Chinese traditional historical accounts on the Trưng sisters are remarkably brief--found basically in two different chapters of Hou Han Shu, the history for the Eastern Han Dynasty, against which the Trưng sisters had carried out their uprising.
Split into simpler sentences: The Chinese traditional historical accounts on the Trưng sisters are remarkably brief. They are found in two different chapters of Hou Han Shu, the history for the Eastern Han Dynasty, against which the Trưng sisters had carried out their uprising.