Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hien hanh » dieu hanh
cua thong » cua thuong, cua khong, cua tong
ca thuong » cao thuong, cua thuong, va thuong
than ban » thanh ban, toan ban, than man
ty than » ty thanh, te than, tu than

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 hanh) OR (chieu xanh)) - hanh tranh ((cua thong) OR (ca thuong)) cong ty than ban~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (chieu xanh)) - hanh tranh ((cua thong) or (ca thuong)) cong ty than ban*.