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phan thong » phan thuong, phan hong, phan tong
khoa thong » hoa thong, thoai thong, pho thong
khoa khoa » hoa khoa, khuan khoa, khoa hoc
toan tren » toan tien, toan tran, tran tren
tren thuc » trien thuc, tron thuc, trinh thuc
thuc hang » thuc hanh, thu hang, phuc hang
hang khoa » dung khoa
khoa phan » hoa phan, khoa than, khoa phau
sach dao » lanh dao
anh khoa » doanh khoa
te sach » toc sach
dao thu » dao thi, dao phu, dao tru
thu anh » thuy anh, thu canh, thu oanh