Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
doan van » doan va, hoang van, luan van
luc vay » luc va, luc van, luoc van
van cua » vang cua, ban cua, dan cua
luu van » cuu van, luan van, luu hanh
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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) OR (thuat sach)) ky nang xa hoi. hieu ve cham ((luc vay) OR (luu van)) doan van cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuat sach)) ky nang xa hoi. hieu ve cham ((luc vay) or (luu van)) doan van cua tre*.