Perhaps you should try some spelling variations:
doanh bat » danh bat, doanh tai, doanh va
van doanh » toan doanh, van dong, van thanh
cham luu » cham cuu, chat lua, phap luu
tu sach » thu sach, su sach, te sach
ly vang » ly hang, ly van, ly quang
va cham » va chat, va tham
luu van » cuu van, luan van, luu hanh
bat cua » ban cua, mat cua, bai cua
cua tre » cua te, cuu tre, cua triet
v nang » va nang, vu nang, van nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ly vang) or (v nang)) xa hoi. lieu va cham luu van doanh bat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ly vang) OR (v nang)) xa hoi. lieu va cham luu van doanh bat cua tre*.