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phan thong » phan thuong, phan hong, phan tong
pho thong » he thong
bach khoa » anh khoa
sach tien » sach tren, sach thieu
tien thuc » trien thuc, kien thuc, bien thuc
sach tri » sach tai, sach tren, sach truc
thi bach » thi bich, thi hanh, thi anh
khoa pho » khoa phu, khoa khoa, khoa phau
thuc dai » thuc dan, thuc day, thuc tai
hoi phan » phoi phan, hoc phan, hoa phan
su sach » so sach, vu sach
tri thi » tri tai, tai thi, thi thi
bo sach » co sach, hoc sach
dai hoi » dai hoc, dai hai, dai moi