Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
doan van » doan va, hoang van, luan van
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
luc van » luoc van, luu van, duc van
van cua » vang cua, ban cua, dan cua
tu sach » thu sach, su sach, te sach
luc vay » luc va, luoc van
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v 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: ((tu sach) OR (thuat sach)) y nang x hoi. hieu van cham ((luc vay) OR (luc van)) doan van cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat sach)) y nang x hoi. hieu van cham ((luc vay) or (luc van)) doan van cua tre*.