Perhaps you should try some spelling variations:
thanh than » thanh thanh, thanh thang, thanh phan
thanh toan » thanh hoa, thanh san, tinh toan
hien sang » hien trang, khien bang, chieu sang
manh tung » manh hung, thanh tung
nam phong » hai phong, van phong, nam trong
nam dang » nam dan, nam danh, nam dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sang - manh tung ((nam dang) or (nam phong)) cong ((thanh than) or (thanh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sang - manh tung ((nam dang) OR (nam phong)) cong ((thanh than) OR (thanh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien sang - manh tung ((nam dang) or (nam phong)) cong ((thanh than) or (thanh toan)) cau*.