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phan thong » phan thuong, phan hong, phan tong
khoa thong » hoa thong, thoai thong, pho thong
cach thai » cach thoi, sach tham, lich thai
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
thuc cach » thuoc sach, truoc cach, thuc hanh
cach luan » sach luan, hoach luan, bach xuan
luan khoa » khuan khoa, toan khoa, luan hoan
thai hoc » dai hoc, bai hoc, hoi hoc
hoa phan » hoa dan, co phan
tu cach » tu cac
hoc anh » hoc nganh, hoc nhanh, ngoc anh
anh hoa » anh khoa, danh hoa, hanh hoa
so sach » so sanh, bo sach, co sach