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
cau treo » cau theo, cau tren, cau triet
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
dai cau » dat cau, da cau, dai hau
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 sach y nang x hoi. hieu ve cham thuc vat hanh dai cau treo~.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. hieu ve cham thuc vat hanh dai cau treo*.