Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
xuc va » tuc va, luc va, xac va

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 ky nang ma hoi. hieu va cam ((xuc va) OR (duc va)) hanh va ((cua tre) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu va cam ((xuc va) or (duc va)) hanh va ((cua tre) or (cuu tre))*.