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thoai thong » thoai trong, thong thong, toan thong
khoa thoai » hoi thoai, khoa than, khoa hoi
thuc thanh » thuoc thanh, thuc hanh, phuc thanh
thai thong » thai hong, thai phong, thai tong
thanh hoa » thanh pho
anh khoa » doanh khoa, hang khoa
sach bai » sach dao, cac bai, sach xa
bai thuc » bai thuoc, bao thuc, dai thuc
hoa thai » hong thai, hoa phan, hoa chat
cac thu » cach thuc, cac thoi
thu hoc » tu hoc, thu hoi, tru hoc
hoc anh » hoc nganh, hoc nhanh, hoc sinh
tu sach » thu sach, su sach, te sach