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nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
trung cap » truong cao, trung tam
tung pham » hung pham, nhung pham, trung phan
tan toan » tap toan, van toan, dan toan
ha chau » hat chau, a chau, lai chau