Perhaps you should try some spelling variations:
doanh cua » doanh luan
chua tri » chu tri, chua trieu, chua tivi
nam thuc » nam thuoc, am thuc, nam thu
chua tre » cua tre, chua trieu, cho tre
va doanh » van doanh, vay doanh, va danh
thuc va » thuc vat, thuc dan, thuc day
te sach » toc sach
hieu va » lieu va, hieu qua
dang ha » dong ha, dung ha, lang ha
dang xa » dang xay, lang xa, dang va
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 (dang ha)) hoi. hieu va nam thuc va doanh cua ((chua tre) OR (chua tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((dang xa) OR (dang ha)) hoi. hieu va nam thuc va doanh cua ((chua tre) OR (chua tri)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((dang xa) or (dang ha)) hoi. hieu va nam thuc va doanh cua ((chua tre) OR (chua tri))".
• Adding a wildcard symbol may retrieve word variants: te sach y ((dang xa) or (dang ha)) hoi. hieu va nam thuc va doanh cua ((chua tre) OR (chua tri))*.