Perhaps you should try some spelling variations:
vien dai » hien dai
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
cuu tre » cua tre, cau tren, cau treo
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
nang o » nang co, nang ho, nang ro
ve cac » va cac, vien cac
di cuu » di cau, di cua, dinh cuu
o hoi » co hoi, o hoc, o hai
du va » dau va, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu san ky nang o hoi. hieu ((ve cac) or (vien dai)) du va danh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang o hoi. hieu ((ve cac) OR (vien dai)) du va danh di cuu tre*.