Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
dang cong » dung cong
cua dang » cua cong, cua ban
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - ((canh tranh) or (thanh tung)) cua dang cong ((dan than) OR (van than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((canh tranh) OR (thanh tung)) cua dang cong ((dan than) OR (van than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - ((canh tranh) or (thanh tung)) cua dang cong ((dan than) OR (van than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((canh tranh) or (thanh tung)) cua dang cong ((dan than) OR (van than)) cao*.