Perhaps you should try some spelling variations:
tranh tuan » tran tuan, tranh luan, thanh tuan
chieu xanh » chieu sach, chieu sang, chieu tinh
bang thanh » ban thanh, dang thanh, tang thanh
hieu xanh » hieu manh, hieu nganh, dieu hanh
tuan bang » tuan dang, tuan hoang, thuat bang
bang cong » dang cong, bang song, hang cong
cong bang » cuong bang, dong bang, hong bang
thanh ha » thanh hoa, thanh hai, nhanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (chieu xanh)) - canh tranh tuan bang cong bang thanh ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - canh tranh tuan bang cong bang thanh ha*.