Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
thanh tai » thanh hai, thanh toan, doanh tai
cau tren » cu tren, dau tren, ca tren
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
cuu tre » cau treo
cua tre » cua te, cua triet, dua tren
thuc va » thuc vat, thuc dan, thuc day
va tham » van tham, va cham, va thuat
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
lai ky » sai ky, dai ky
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 dang xay hoi. hieu va tham thuc va thanh tai ((cua tre) or (((cuu tre) OR (cau tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te lai ky dang xay hoi. hieu va tham thuc va thanh tai ((cua tre) OR (((cuu tre) OR (cau tren)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te lai ky dang xay hoi. hieu va tham thuc va thanh tai ((cua tre) or (((cuu tre) OR (cau tren))))".
• Adding a wildcard symbol may retrieve word variants: te lai ky dang xay hoi. hieu va tham thuc va thanh tai ((cua tre) or (((cuu tre) OR (cau tren))))*.