Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
ca thuong » cao thuong, cua thuong, va thuong
nhanh ba » nhanh bac, nhanh ha, nhanh va
cong san » cong tac
can cau » van cau, ca cau, cac cau
ban cau » bang cau, ban can, van cau
ba ca » bai ca, ba cau, ba na

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (trieu tinh)) - nhanh ba ca thuong cong san ((can cau) OR (ban cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (trieu tinh)) - nhanh ba ca thuong cong san ((can cau) OR (ban cau))~".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (trieu tinh)) - nhanh ba ca thuong cong san ((can cau) OR (ban cau))*.