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tranh thuc » trinh thuc, trang thuc, thanh thuy
sach tranh » canh tranh
khoa thong » hoa thong, thoai thong, pho thong
thuc cach » thuoc sach, truoc cach, thuc hanh
cach khoa » bach khoa, cac khoa, cac khoan
hoi thong » hoi thuong, hoi trong, hoa thong
thuc danh » thuc hanh, thuc dan, chuc danh
thu sach » tu sach, thuat sach, thuoc sach
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
khoa hoi » khoan hoi, khoa hoc, khoa doi
danh hoa » thanh hoa, khanh hoa, nganh hoa
hoa khoa » khoa khoa, chua khoa, chia khoa