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thuoc sinh » hoc sinh, thu sinh, thuoc sach
sach thai » sach tham, sac thai, sach tai
hang khoa » dung khoa
hoc thong » hoc thuong, hoc trong, hoc hong
tri thuoc » tri thuc, tri hoc, tin thuoc
thai hoc » dai hoc, bai hoc, hoi hoc
hoc hang » hoc hanh, hoc bang, hoc tang
khoa hoc » hoa hoc
sach tri » sach tai, sach tren, sach truc
su sach » so sach, vu sach
hoc he » hoc hien
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