Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
chi danh » chi dan, chi anh, chi dinh
cong tan » cong tac, cong san, cong thanh
ran cau » van cau, ban cau, can cau
van dau » van dao, phan dau

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 xanh) or (chi danh)) - canh tranh cua thong cong tan ((ran cau) or (van dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chi danh)) - canh tranh cua thong cong tan ((ran cau) OR (van dau)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chi danh)) - canh tranh cua thong cong tan ((ran cau) or (van dau))*.