không can gì 
to not mean anything [ không ] : (1) no, not; (question tag); (2) air; (3) empty
[ can ] : (1) to stop, dissuade; (2) to concern, involve; (3) to dissuade, stop someone from doing something, interfere, break up; (4) symbol of the Chinese zodiac; (5) shield; (6) liver; (7) to accuse
[ gì ] : what
Most Common Compounds Set 1:
Most Common Compounds Set 2 :