Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh quan » thanh xuan, thanh tuan, nhanh quang
luan duong » tuan duong, luan luong, luan dong
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (chieu xanh)) - thanh quan luan duong ((cong toan) or (cong tuan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh quan luan duong ((cong toan) OR (cong tuan)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - thanh quan luan duong ((cong toan) or (cong tuan)) van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - thanh quan luan duong ((cong toan) or (cong tuan)) van ban*.