Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
nhung don » nhung van, nhung bo
hang nong » thang long, han tong
dan danh » han danh, ban danh, dai danh
van danh » van doanh, van anh, van hanh

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: hoc hien xanh - hanh tranh cua ((nhung don) OR (hang nong)) ((dan danh) OR (van danh)) tu~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tranh cua ((nhung don) or (hang nong)) ((dan danh) or (van danh)) tu*.