Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
khong cong » thong cong, khong cang, chong cong
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
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: theo ((chieu xanh) OR (chieu sang)) - hanh tranh cua khong cong ((xuan toan) or (dan toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh tranh cua khong cong ((xuan toan) OR (dan toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - hanh tranh cua khong cong ((xuan toan) or (dan toan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - hanh tranh cua khong cong ((xuan toan) or (dan toan)) tap*.