Perhaps you should try some spelling variations:
thuong quan » thuong quang, thong quan, truong quan
dung thuong » dung trong, hang thuong, cong thuong
theo chieu » theo tieu, theo chu, thi chieu
hanh trinh » hanh chinh
quan than » quan thanh, qua than, quang thanh
ho chieu » hoc thieu, doi chieu, mot chieu
cua dung » cua dang, cua dong, qua dung
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) sang - ((hanh trinh) or (canh tranh)) cua dung thuong quan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sang - ((hanh trinh) OR (canh tranh)) cua dung thuong quan than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sang - ((hanh trinh) or (canh tranh)) cua dung thuong quan than man".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sang - ((hanh trinh) or (canh tranh)) cua dung thuong quan than man*.