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than thong » than thuong, toan thong, tran thong
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
noi trong » nuoi trong, doi trong, hoi trong
sach tham » sach nha
tham thuc » nham thuc, pham thuc, tam thuc
khoa than » khoa luan, hoa thai, hoa tan
thuc can » thuc chan, thuc dan, thuc van
can khoa » san khoa, con khoa, van khoa
khoa noi » khoa doi, khoa hoi, khoan nhoi
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach