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