Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
hanh tranh » canh tranh, hanh trinh, hanh trang
dong thanh » truong thanh
doi chieu » doc hieu, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cua tong » cua cong, cua dong, cua nong
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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

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