Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, thanh san
nang xay » dang xay, nganh xay, nang xuan
tam thuc » tham thuc, am thuc, nam thuc
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
thuc va » thuc vat, thuc dan, thuc day
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
lai ky » sai ky, dai ky
va tam » van tam, va tham, va tac
te lai » te tai, te bai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te lai ky nang xay hoi. hieu va tam thuc va ((thanh tai) or (doanh tai)) ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te lai ky nang xay hoi. hieu va tam thuc va ((thanh tai) OR (doanh tai)) ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te lai ky nang xay hoi. hieu va tam thuc va ((thanh tai) or (doanh tai)) ((cua tre) or (cuu tre))*.