Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach 2, sach vay
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan di » danh di, dan da, dan de
di cua » dai cua, doi cua, de cua
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) OR (sach y)) nang x hoi. hieu ve cham luc va dan di cua tre~.
• Adding a wildcard symbol may retrieve word variants: te ((sach v) or (sach y)) nang x hoi. hieu ve cham luc va dan di cua tre*.