Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
cong vang » cong lang, cong quang, cong ngang
khi xanh » khia canh, thi hanh, thi anh
cua dang » cua cong, cua ban
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 dang ((cong vang) OR (cong san)) ((tuan cau) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - canh tranh cua dang ((cong vang) or (cong san)) ((tuan cau) or (toan cao))*.