Perhaps you should try some spelling variations:
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
lai cua » dai cua, lai chau, thai cua
hai cua » thai cua, dai cua, hoi cua
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
tuc va » thuc va, truc va, tuc xa

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 xa hoi. hieu ve cham ((tuc va) OR (duc va)) hanh ((lai cua) OR (hai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang xa hoi. hieu ve cham ((tuc va) or (duc va)) hanh ((lai cua) OR (hai cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: te sach v nang xa hoi. hieu ve cham ((tuc va) or (duc va)) hanh ((lai cua) OR (hai cua)) tre*.