Perhaps you should try some spelling variations:
quang thang » quang thanh, quang khang, quang thong
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
thanh tran » thanh trang, thanh toan, thanh tra
cong thanh » dong thanh, cong trinh, truong thanh
cong tan » cong tac, cong san, cong ty

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - thanh tran quang thang ((cong tan) OR (cong thanh)) van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien danh)) - thanh tran quang thang ((cong tan) OR (cong thanh)) van ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien danh)) - thanh tran quang thang ((cong tan) OR (cong thanh)) van ban*.