Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cua thuong » cua truong, cua phuong, ca thuong
tranh cua » doanh cua, manh cua
cong toan » cong tan, cong hoan, cong tuan
ban hang » ngan hang
ban can » ban dan, ban hanh, ban quan

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