Complex sentence: Tóc Tiên also had her acting debut when she became the first actress to portray doctor Đặng Thùy Trâm for a segment aired during VTV3 talk show "Người đương thời".
Split into simpler sentences: Tóc Tiên also made her acting debut when she became the first actress to portray doctor Đặng Thùy Trâm. Her part was aired during a segment of VTV3 talk show "Người đương thời".