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nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
truong hoc » trung hoc, tuong ho, truong bo
tuong hoc » tuong ho, duong hoc, tuong khoa
thuc cong » thuoc cong, thu cong, chuc cong
hoa doanh » toan doanh, hoa dan
tai toan » bai toan, tap toan, tai tuan
toan tai » toan tap, doanh tai, toan ban
sach dai » sach dao, sach bai, sach dat
cong hoa » dong hoa, dong hoc, hang hoa
hoi tai » hoc tai, hoi trac
dai tai » dai hai, dai thao
su sach » so sach, vu sach