trong thời gian qua 
recently [ trong ] : during; in(side), among
[ thời ] : time(s), era
[ gian ] : (1) dishonest, underhanded, tricky; (2) apartment, room; (3) difficult, hard; (4) danger, peril
[ qua ] : after, by, through, over; last (week, day, etc.); to pass by, go across, cross over
Most Common Compounds Set 1:
Most Common Compounds Set 2 :