like: thanh tích lũy
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
thanh tích lũy * ☊ 
accumulator * ☊
[ thanh ] : sound, noise, tone, pitch
[ tích ] : to store up, accumulate; trace, vestige
[ lũy ] : rampart
[ thanh ] : bar