Perhaps you should try some spelling variations:
cao thuc » cao thuoc, bao thuc, can thuc
danh dai » danh dau, danh sai, vanh dai
thuc va » thuc vat, thuc dan, thuc day
danh di » danh du, xanh di, danh dien
te sach » toc sach
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
va cao » va cac, va co, va dao
te cac » tu cac, ve cac, te cao
x hoi » xa hoi, o hoi, x ho

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