Perhaps you should try some spelling variations:
dang xay » dang van, van xay
thuc dan » thuc hanh, hoc dan, thuc vat
hanh tai » thanh tai, hang tai, han tai
cuu tre » cau tren, cau treo
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
thuc va » thuc vat, thuc day
ky dang » ky nang, ky danh
cua tre » cua te, cua triet, dua tren
tai ky » thai ky, trai ky, sai ky

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

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