kẻ đánh bom 
bomber (person) [ kẻ ] : individual, single, person, man; to write (on a sign)
[ đánh ] : to beat, strike, hit, type, brush, play (games)
[ bom ] : (1) bomb; (2) to extort; (3) apple
Most Common Compounds Set 1:
Most Common Compounds Set 2 :