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thuong thanh » truong thanh, phuong thanh, thong thanh
tin thuong » ton thuong, dinh thuong, tin nguong
thanh khoa » thanh hoa, thanh pho, hang khoa
thuc dang » thuoc dang, thuc dan, thuc dung
dang khoi » dung khoa, hang khoa
sach tin » sach tien, sach kinh, sach tren
thu sach » thuat sach, thuoc sach, thu hoach
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
khoi pho » khoi tho, khoi khoa, hoc pho
tu sach » su sach, te sach, tu cach
khoa he » hoa he, khoa hoc, khong he