Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hieu ha » hieu hoa, hieu va, hieu ca
qua van » quan van, qua ban, qua san
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
qua va » quan va, vua va, qua ca
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: tu cac ky nang x hoi. hieu ha nam ((qua va) or (qua van)) danh vi ((cau treo) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang x hoi. hieu ha nam ((qua va) OR (qua van)) danh vi ((cau treo) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang x hoi. hieu ha nam ((qua va) or (qua van)) danh vi ((cau treo) or (cua tre))*.