Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
hoang van » hang va
vay doanh » ly doanh, voi doanh, von doanh
nam thuc » nam thuoc, am thuc, nam thu
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
va cua » va chua, via cua, ca cua
va nam » van nam, ha nam, va nay

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 va nam thuc ((vay doanh) or (van 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 va nam thuc ((vay doanh) OR (van doanh)) va cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((dang xa) or (hoang van)) hoi. hieu va nam thuc ((vay doanh) or (van doanh)) va cua tre*.