Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
vat hanh » vat thanh, van hanh, va hanh
hanh dai » hanh tai, hanh dao, vanh dai
so sanh » do sanh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
sanh y » sinh y, anh y, hanh y
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh y nang x hoi. hieu ve cham thuc vat hanh dai cua tre~.
• Adding a wildcard symbol may retrieve word variants: so sanh y nang x hoi. hieu ve cham thuc vat hanh dai cua tre*.