Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
cac luc » cau luc, coc luc, cac nuoc
cuu tre » cua tre, cau tren, cau treo
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
luc va » duc va, tuc va, loc va
te cao » te bao
ve cac » va cac, vien cac
o hoi » co hoi, o hoc, o hai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te cao ky nang ((5 hoi) OR (o hoi)). hieu ve cac luc va danh di ((cuu tre) OR (cua viet))~.
• Adding a wildcard symbol may retrieve word variants: te cao ky nang ((5 hoi) or (o hoi)). hieu ve cac luc va danh di ((cuu tre) or (cua viet))*.