Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
thuc vay » thuc vat, thuc day, thuc va
doanh va » doan va, doanh tai, doanh cua
te sach » toc sach
dang ha » dong ha, dung ha, lang ha
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu

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 ((((lang van) or (dang ha))) or (hang va)) hoi. hieu van nam thuc vay doanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((((lang van) OR (dang ha))) OR (hang va)) hoi. hieu van nam thuc vay doanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((((lang van) or (dang ha))) or (hang va)) hoi. hieu van nam thuc vay doanh va cuu tre*.