Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
khi xanh » khia canh, thi hanh, thi anh
cua dung » cua dang, cua dong, qua dung
toan cao » toan tap
toan ban » van ban

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: doi khi xanh - hanh tranh cua dung cong danh ((toan cao) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - hanh tranh cua dung cong danh ((toan cao) or (toan ban))*.