Perhaps you should try some spelling variations:
dang thuong » hang thuong, dung thuong, dong thuong
hanh trang » thanh trung, hanh trinh, minh trang
thuong dam » thuong mai, huong dan, truong dai
hien hanh » dieu hanh
cua dang » cua cong, cua ban
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - ((hanh trang) or (canh tranh)) cua dang thuong dam ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh trang) OR (canh tranh)) cua dang thuong dam ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((hanh trang) or (canh tranh)) cua dang thuong dam ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((hanh trang) or (canh tranh)) cua dang thuong dam ((phan cau) OR (phan dau))*.