chắc có lẽ 
probably [ chắc ] : probably, certainly, sure; must be, expect; to be firm; firmly, certainly, surely
[ có ] : to be, have, exist; there is, there are
[ lẽ ] : (1) (zero in the middle of numbers, e.g. 101); (2) reason, argument; (3) secondary
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
chắc có lẽ là không probably not