Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuat nhung » thuat hung, thuat chung, thuat chuong
chieu sang » chieu sach, chieu xanh, hieu lang
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung ((thuat nhung) or (cua nhung)) tuong ((dan than) OR (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung ((thuat nhung) OR (cua nhung)) tuong ((dan than) OR (van than)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung ((thuat nhung) or (cua nhung)) tuong ((dan than) OR (van than)) cau*".