Perhaps you should try some spelling variations:
khai thuong » khac thuong, khai chuong, khau thuong
hai thuong » hoai thuong, han thuong, tai thuong
hieu lang » chieu sang, hieu quang, nhieu tang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - canh tranh ((hai thuong) OR (khai thuong)) cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - canh tranh ((hai thuong) OR (khai thuong)) cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - canh tranh ((hai thuong) OR (khai thuong)) cong tan toan ban*.