Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 (chiet tach)) - thanh dung luan ((nhung cong) OR (dung cong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - thanh dung luan ((nhung cong) OR (dung cong)) van toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chiet tach)) - thanh dung luan ((nhung cong) OR (dung cong)) van toan ban*".