Perhaps you should try some spelling variations:
cong thuong » hang thuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chap » tranh cua, trinh chat
thuong dam » thuong mai, huong dan, truong dai
chap cong » phap cong, nhap cong, chat cong
dam thanh » dao thanh, nam thanh, am thanh
thanh cau » thanh chau, thanh mau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - hanh tranh chap cong thuong dam thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh tranh chap cong thuong dam thanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh tranh chap cong thuong dam thanh cau*.