Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
hoan phan » hoa phan, toan phan, hoan thanh
doan phan » doanh phan, toan phan, dan phan
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 cong cong ((hoan phan) OR (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) xanh - hanh tranh cua cong cong ((hoan phan) OR (doan phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doi chi)) xanh - hanh tranh cua cong cong ((hoan phan) OR (doan phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) xanh - hanh tranh cua cong cong ((hoan phan) OR (doan phan)) cau*.