Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoac khong » hoa khong, hay khong, hoa thong
hoc khong » hoa khong, hoc hong, khoi khong
ho chieu » theo chieu, hoc thieu, doi chieu
cang dan » cong dan, tang dan, canh dan
dan van » dang van, doan van, dao van
van cau » van dau, van hau, van chat

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 xanh - thanh trung ((hoac khong) or (hoc khong)) cang dan van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((hoac khong) OR (hoc khong)) cang dan van cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((hoac khong) or (hoc khong)) cang dan van cau*.