vào thời gian này 
at, during this time [ vào ] : at, on (date), in, to; to enter, go in, access
[ thời ] : time(s), era
[ gian ] : (1) dishonest, underhanded, tricky; (2) apartment, room; (3) difficult, hard; (4) danger, peril
[ này ] : here; this, these; (expression) by the way, say
Most Common Compounds Set 1:
Most Common Compounds Set 2 :