Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
dan thuc » dan toc, am thuc
thuc dan » thuc hanh, hoc dan, thuc vat
dan danh » van danh, han danh, ban danh
danh lai » danh sai, gianh lai, dinh lam
sach uu » sach luu, sach tu, sach xu
qua dan » qua danh, qua ban, cua dan
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach uu) or (sach thu)) nang x ho. hieu qua dan thuc dan danh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach uu) OR (sach thu)) nang x ho. hieu qua dan thuc dan danh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach uu) or (sach thu)) nang x ho. hieu qua dan thuc dan danh lai cua tre*.