Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
te sach » toc sach
tai cua » thai cua, tai cuc, tri cua
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
tuc va » thuc va, tuc xa, duc va
cua te » cua tu
sach v » sach va, sach y, sach 2
luc va » duc va, loc va
va cam » va cham, va cac, va cao
v nang » va nang, vu nang, van nang
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: te sach v nang x hoi. hieu va cam ((luc va) OR (((tuc va) OR (truc va)))) thanh tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang x hoi. hieu va cam ((luc va) or (((tuc va) OR (truc va)))) thanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu va cam ((luc va) or (((tuc va) OR (truc va)))) thanh tai cua te*.