không có gì xảy ra 
nothing happened [ không ] : (1) no, not; (question tag); (2) air; (3) empty
[ có ] : to be, have, exist; there is, there are
[ gì ] : what
[ xảy ] : to happen
[ ra ] : to go out, exit, give, issue, emit, leave
Most Common Compounds Set 1:
Most Common Compounds Set 2 :