Perhaps you should try some spelling variations:
khai thuong » khac thuong, khai chuong, khau thuong
chieu sang » chieu sach, chieu xanh, hieu lang
hai thuong » hoai thuong, han thuong, tai thuong
canh tran » canh tranh, hanh trang, banh trang
ho chieu » theo chieu, hoc thieu, doi chieu
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh

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 - canh tran ((hai thuong) OR (khai thuong)) cong ((tan toan) or (van toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh tran ((hai thuong) OR (khai thuong)) cong ((tan toan) OR (van toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh tran ((hai thuong) OR (khai thuong)) cong ((tan toan) or (van toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh tran ((hai thuong) OR (khai thuong)) cong ((tan toan) or (van toan)) ban*.