Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
khong dong » khong dung, khong mong, phong dong
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
ban thanh » ban hanh, ban hang
van phan » van phong, van thanh, luan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh tranh cua khong dong ((van phan) or (ban thanh)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh tranh cua khong dong ((van phan) OR (ban thanh)) dau*.