Perhaps you should try some spelling variations:
nhung duong » nhung huong, nhung tuong, chuong duong
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sang » chieu sach, chieu xanh, hieu lang
thanh toan » thanh hoa, thanh san, tinh toan
nhung dung » phuong dung, ung dung, thong dung
toan quan » tran quang, doan quang, van quan
van khang » van khanh, van thanh, van quang
khang cau » hang cau, khang cu, khang chan

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 sang)) - thanh toan quan ((nhung duong) or (nhung dung)) van khang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sang)) - thanh toan quan ((nhung duong) OR (nhung dung)) van khang cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu sang)) - thanh toan quan ((nhung duong) or (nhung dung)) van khang cau*.