đi qua đi lại 
to go back and forth [ đi ] : to go; (particle used to form commands, suggestions)
[ qua ] : after, by, through, over; last (week, day, etc.); to pass by, go across, cross over
[ đi ] : to go; (particle used to form commands, suggestions)
[ 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 :