Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
danh lai » danh sai, gianh lai, dinh lam
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty sang » ty xang, ty hang, duy sang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va danh » va dinh, va dan, va hanh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty sang mai hoi. hieu ve pham duc va danh lai ((cua tre) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: te sach ty sang mai hoi. hieu ve pham duc va danh lai ((cua tre) or (cuu tre))*.