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COMPOUNDS
chưa 
not yet, yet (to happen)
chưa not yet, yet (to happen)
chắc khó unlikely (to happen)
diễn ra như cũ to happen just like before
làm to do, work, make, function as, serve; to cause something to happen
rất dễ xảy ra very likely to happen
sảy to happen, occur, take place
sắp sửa xảy ra about to happen
sịch to stir (move suddenly) to happen suddenly
tái diễn to happen again, re-occur
vì lý do gì khiến this has caused (something to happen)
xảy to happen
xảy ra to happen, occur
xảy ra rất thường to happen a lot, take place often
xẩy to happen, occur, arise
xẩy ra to happen, occur, arise
chưa not yet, yet (to happen) chưa not yet, yet (to happen) chắc khó unlikely (to happen) diễn ra như cũ to happen just like before làm to do, work, make, function as, serve; to cause something to happen rất dễ xảy ra very likely to happen sảy to happen, occur, take place sắp sửa xảy ra about to happen sịch to stir (move suddenly) to happen suddenly tái diễn to happen again, re-occur vì lý do gì khiến this has caused (something to happen) xảy to happen xảy ra to happen, occur xảy ra rất thường to happen a lot, take place often xẩy to happen, occur, arise xẩy ra to happen, occur, arise