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tri nguoi » tri nguon, tren nguoi, toc nguoi
nguoi ma » nguoi tay, nguoi dao, nguoi moi
khoa hoc » hoa hoc
khong he » khong khi, hong ha, khong _
su sach » so sach, vu sach
te sach » toc sach
khoa he » hoa he, khoa thu, khoa hoi
thong » trong
tri nguoi » tri nguon, tren nguoi, toc nguoi
nguoi ma » nguoi tay, nguoi dao, nguoi moi
khoa hoc » hoa hoc
khong he » khong khi, hong ha, khong _
su sach » so sach, vu sach
te sach » toc sach
khoa he » hoa he, khoa thu, khoa hoi
thong » trong
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