Perhaps you should try some spelling variations:
cac luc » cau luc, cac nuoc, cac cuoc
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
vu dai » vi dai, va dai, vu hai
di cua » dai cua, doi cua, de cua
dai ky » dan ky, dai ly, sai ky
co hoi » co hoc, co loi
cua te » cua tu
o hoi » o hoc, o hai, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu dai ky nang ((o hoi) OR (co hoi)). hieu ve ((cac luc) or (coc luc)) va danh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dai ky nang ((o hoi) OR (co hoi)). hieu ve ((cac luc) OR (coc luc)) va danh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu dai ky nang ((o hoi) OR (co hoi)). hieu ve ((cac luc) or (coc luc)) va danh di cua te".
• Adding a wildcard symbol may retrieve word variants: vu dai ky nang ((o hoi) OR (co hoi)). hieu ve ((cac luc) or (coc luc)) va danh di cua te*.