Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
dung tay » dung tai, dung may, vung tay
tham xuc » tham nuoc, tham thuc, pham duc
cuu tre » cau tren, cau treo
va tham » van tham, va cham, va thuat
tay hoi » tay ho, tao hoi, tay thai
ky dung » ly dung, ky dang, ky vung
cua tre » cua te, cua triet, dua tren
xuc va » duc va, tuc va, luc va

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) or (toc sach)) ky dung tay hoi. lieu va tham xuc va thanh vi ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky dung tay hoi. lieu va tham xuc va thanh vi ((cuu tre) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky dung tay hoi. lieu va tham xuc va thanh vi ((cuu tre) or (cua tre))*.