Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
quang bang » quang ban, quang dang, quang hoang
bang thanh » ban thanh, dang thanh, tang thanh
hieu xanh » hieu manh, hieu nganh, dieu hanh
manh tran » manh toan, manh tuan, canh tranh
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)) - manh tran quang bang cong bang thanh ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - manh tran quang bang cong bang thanh ha*.