Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tien » thanh vien, thanh nien, thang tien
tien viet » tieng viet, trien viet, thien viet
viet dung » viet hung, viet huong, viet trung
trong dan » trong dang, trong san, trong tan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chinh sach)) - thanh tien viet dung trong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - thanh tien viet dung trong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - thanh tien viet dung trong dan van ban*.