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phu thong » phap thong, khau thong, phan thong
pho thong » he thong
toi thuc » tri thuc, noi thuc, thi thuc
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
khoa pho » khoa khoa, khoa phau, khoa hoc
sach tam » sach tham, sach tai, sach dao
tam than » ban than
than san » thanh san, han san, tan san
san khoa » toan khoa, hang khoa, da khoa
khoa phu » khoa phau, khoa thu, hoa phu
cac toi » cac thoi
te sach » toc sach