vả lại 
and, again, moreover, in addition, subsequently, besides [ vả ] : (1) moreover, in addition; (2) to slap
[ lại ] : (1) again; against, over again, back towards; resume, re-; (2) to come, reach, get to; (3) (indicates something is contrary to expectations)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :