Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doi chau » doi chieu, gioi chau, hoi chu
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
khan cap » khan ap, than cap, khoan cam

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: ((doi chau) OR (doi khi)) tinh - hanh tranh cua nhung ((cong ban) OR (cong san)) khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chau) or (doi khi)) tinh - hanh tranh cua nhung ((cong ban) OR (cong san)) khan cap~".
• Adding a wildcard symbol may retrieve word variants: ((doi chau) or (doi khi)) tinh - hanh tranh cua nhung ((cong ban) OR (cong san)) khan cap*.