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khoan nhoi » khoan hoi, khoa hoi, khoa noi
nhoi thong » hoi thong, nguoi thong, thoai thong
phan trong » pham trong, nhan trong, phan tong
thuc cach » thuoc sach, truoc cach, thuc hanh
cach hoan » hach toan, sach han, cac hoat
hoan phan » hoa phan, toan phan, doan phan
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
thuc cac » tuc cac, phuc cac, thac cac
toc sach » hoc sach, doc sach, thuoc sach
sach dao » lanh dao
dao thuc » dan thuc, dao tuc, do thuc
su sach » so sach, vu sach