Perhaps you should try some spelling variations:
vat doanh » van doanh, vay doanh, va doanh
hoang van » hang va
hieu van » hieu va, thien van, lieu va
doanh va » doan va, doanh tai, doanh cua
te sach » toc sach
dang xa » dang xay, lang xa, dang ha
cua tre » cua te, cuu tre, cua triet
van am » van nam, van lam, van dam
va cua » va chua, via cua, ca cua
thuc » thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((dang xa) or (hoang van)) hoi. hieu van am thuc vat doanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((dang xa) OR (hoang van)) hoi. hieu van am thuc vat doanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((dang xa) or (hoang van)) hoi. hieu van am thuc vat doanh va cua tre*.