Perhaps you should try some spelling variations:
gian hai » gian thai, giang hai, gian ha
van gian » van giang, dan gian, van giao
te sach » toc sach
vu kham » vu khanh
hai cua » thai cua, dai cua, hoi cua
xuc van » duc van, luc van, vuc van
vu cham » va cham, tu cham, qua cham
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
cua te » cua tu
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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) OR (o hoi)). hieu ((vu cham) OR (vu kham)) xuc van gian hai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang ((x hoi) or (o hoi)). hieu ((vu cham) OR (vu kham)) xuc van gian hai cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach v nang ((x hoi) or (o hoi)). hieu ((vu cham) OR (vu kham)) xuc van gian hai cua te*.