Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
tai cua » thai cua, tai cuc, tri cua
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
ty nang » ky nang, ty xang, ty hang
tuc va » thuc va, tuc xa, duc va
va cam » va cham, va cao, va cai
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. lieu ((va cam) OR (va cac)) ((tuc va) OR (truc va)) hanh tai cua tre~.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. lieu ((va cam) or (va cac)) ((tuc va) or (truc va)) hanh tai cua tre*.