Perhaps you should try some spelling variations:
lam thuc » lam thuoc, am thuc, nam thuc
danh dai » danh dau, danh di, danh sai
te sach » toc sach
nang xa » nang x, lang xa, nang ma
qua lam » cua lam, qua la, qua lao
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao

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) or (te cac)) ky nang xa hoi. hieu qua lam thuc va danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (te cac)) ky nang xa hoi. hieu qua lam thuc va danh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (te cac)) ky nang xa hoi. hieu qua lam thuc va danh dai cua tre*.