Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
hoi hieu » hoi phieu, hoi tieu, moi hieu
cua hang » cua dang, cua nhung, cua cong
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, tap quan, bai toan
ho hieu » ho chieu, nho hieu, co hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (hoi hieu)) lang - hanh tranh cua hang cong ((tan toan) OR (tap toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) or (hoi hieu)) lang - hanh tranh cua hang cong ((tan toan) OR (tap toan)) cao~".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) or (hoi hieu)) lang - hanh tranh cua hang cong ((tan toan) OR (tap toan)) cao*.