Perhaps you should try some spelling variations:
doanh tranh » doanh thanh, canh tranh, doanh doanh
thanh trung » thanh tung
thang dong » thang long, tang dong, thanh dong
dong doanh » dung doanh, trong doanh, doanh doanh
tranh luan » trinh luan, trinh luat, doanh luan
tam thang » tam than, nam thang, tat thang
khi xanh » khia canh, thi hanh, thi anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - thanh trung tam thang dong doanh tranh luan~.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thanh trung tam thang dong doanh tranh luan*.