Perhaps you should try some spelling variations:
nhien viet » nhin viet, nghiep viet, trien viet
hieu viec » nhieu viec, hieu ve, sieu viet
hanh dai » hanh tai, hanh dao, vanh dai
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
luc van » luoc van, luu van, duc van
cac luc » cau luc, coc luc, cac nuoc
y nang » ky nang, ly nang, v nang
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: tu sach y nang ((o hoi) or (co hoi)). ((hieu viec) or (nhien viet)) cac luc van hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((o hoi) OR (co hoi)). ((hieu viec) OR (nhien viet)) cac luc van hanh dai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((o hoi) or (co hoi)). ((hieu viec) or (nhien viet)) cac luc van hanh dai cua te*.