Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san, tinh toan
tuan nhung » quan nhung, tuan hung, thuat nhung
toan tuan » tran tuan, toan quan, doan tuan
duong van » duong va, luong va, dang van
van thang » van thanh, van khang, van hang
thang cau » hang cau, thong cau, thanh chau

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