Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
khi xanh » khia canh, thi hanh, thi anh
cua dong » chua dong, cua cong, cua dang
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan cau » toan cau, quan cau, tuan cu
toan cao » toan ban, toan tap

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 - canh tranh cua dong ((cong van) OR (cong san)) ((tuan cau) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - canh tranh cua dong ((cong van) or (cong san)) ((tuan cau) or (toan cao))*.