Complex sentence: Although most of these Tang dictionary redactions were believed lost, some fragments were discovered among the Dunhuang manuscripts and manuscripts discovered at Turpan; and in 1947 a nearly complete manuscript of the 706 edition was found in the Palace Museum.
Split into simpler sentences: Although most of these Tang dictionary redactions were believed lost, some fragments were discovered among the Dunhuang manuscripts and manuscripts discovered at Turpan. In 1947 a nearly complete manuscript of the 706 edition was found in the Palace Museum.