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khoa thong » hoa thong, thoai thong, pho thong
thuc hang » thuc hanh, thu hang, phuc hang
hang khoa » dung khoa
khoa khoa » hoa khoa, khuan khoa, khoa hoc
sach han » sach tham, sach danh, sach nang
han phuc » hanh phuc, van phuc, ban phuc
phuc cac » phuc cam, phuc ca, phuc cham
toi khoa » tuoi khoa, noi khoa, tai khoa
cach hoc » cach thuc, cach thoi, dich hoc
hoc thuc » hoc huu
te sach » toc sach
cac toi » cac thoi
vu cach » va cach, ve cach, vu bach