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