Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
cham thuc » nham thuc, pham thuc, tham thuc
van hanh » van thanh, ban hanh, van anh
thuc van » thuc vat, thuc dan, thuc va
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
va cham » va chat, va tham
hieu va » lieu va, hieu qua
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
ha hoi » hoa hoi, ha noi, xa hoi
te san » te ban, ke san, tu san
te sac » te sach, te cac

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

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