Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhanh mang » nhanh lang, hanh mang, nhanh quang
thanh cau » thanh chau, thanh mau, nhanh cau
mang cua » manh cua, dung cua, ban cua
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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)) - nhanh mang cua tong ((cong tan) OR (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - nhanh mang cua tong ((cong tan) OR (cong san)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - nhanh mang cua tong ((cong tan) OR (cong san)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - nhanh mang cua tong ((cong tan) OR (cong san)) thanh cau*.