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thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
phap thong » phap phong, phap chong, pho thong
khoa phap » khoa phau, khoan phai, khong phap
thu sach » thuat sach, thuoc sach, thu hoach
sach dai » sach dao, sach bai, sach dat
dai thuc » dan thuc, dai thu, dai truc
dai thua » dai thu, dai cua, dai thao
thua cac » thuat cam, thuan cam, thuat cao
cac khoa » cac khoan, cac khoi, dac khoa
khoa he » hoa he, khoa hoc, khong he
tu sach » su sach, te sach, tu cach