Perhaps you should try some spelling variations:
danh dai » danh dau, danh di, danh sai
sach ky » sach y, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
cua tre » cuu tre, cua triet, dua tren
sac ky » cac ky, sai ky
cua te » cua tu
va am » va lam, va cam

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