Perhaps you should try some spelling variations:
su sach » so sach, vu sach
va tinh » may tinh
vu nang » vuc nang, va nang, vu dang
nang xa » nang x, lang xa, nang ma
cua tre » cuu tre, cua triet, dua tren
sach vu » sach va, sach tu, sach uu
tinh vi » trinh vi, tinh voi, tinh va
cua te » cua tu
tuc va » thuc va, truc va, tuc xa
va cam » va cham, va cao, va cai

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: su sach vu nang xa hoi. hieu ((va cam) OR (va cac)) tuc va tinh vi ((cua tre) OR (cua te))~.
• Adding a wildcard symbol may retrieve word variants: su sach vu nang xa hoi. hieu ((va cam) or (va cac)) tuc va tinh vi ((cua tre) or (cua te))*.