tuyệt vô âm tín 
without any news [ tuyệt ] : excellent, great, mighty
[ vô ] : (1) in-, im-, (negative prefix); (2) in, at, on; (3) to go into, enter [= vào]
[ âm ] : (1) sound; (2) lunar; (3) Yin, female, negative, minus; (4) reading (of a Chinese character)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :