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
dong hoa » dong hoc, dong co
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
ho chau » ho chu, o chau, khoa chau
ha chau » hat chau, a chau, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chau) OR (ha chau)) tinh - hanh tranh cua nhung ((dong hoa) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chau) OR (ha chau)) tinh - hanh tranh cua nhung ((dong hoa) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chau) OR (ha chau)) tinh - hanh tranh cua nhung ((dong hoa) or (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chau) OR (ha chau)) tinh - hanh tranh cua nhung ((dong hoa) or (cong san)) phan cau*.