Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
danh lai » danh sai, gianh lai, dinh lam
sach ty » sach tu, sach thu, xach tay
tai hoi » tai khoi, dai hoi, tai hai
hieu va » lieu va, hieu qua
gia duc » giao duc, gia muc, gia thuc
va danh » va dinh, va dan, va hanh
lai cuu » lai cua, lai chau, lai cuoc
cuu tre » cua tre, cau tren, cau treo
va gia » va giai

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 ty) or (sach y)) sang tai hoi. hieu va gia duc va danh lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) sang tai hoi. hieu va gia duc va danh lai cuu tre*.