Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
khong cong » thong cong, khong cang, chong cong
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, mot chieu
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) xanh - hanh tranh cua khong cong ((dan toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - hanh tranh cua khong cong ((dan toan) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - hanh tranh cua khong cong ((dan toan) or (tinh toan)) cau*.