Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thuong mach » thuong mai, phuong cach, thuong ma
chua xang » chua nang, chuc nang, chua dong
hanh dung » thanh dung, hanh dong, manh dung
mach toan » manh toan, hach toan, mach tuan
chu bang » thu bang, chuc nang, chu quang
anh dung » anh dong, anh huong, sach dung
cua dong » chua dong, cua cong, cua dang
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chu bang)) - ((hanh dung) OR (anh dung)) cua dong thuong mach toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu bang)) - ((hanh dung) OR (anh dung)) cua dong thuong mach toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chu bang)) - ((hanh dung) OR (anh dung)) cua dong thuong mach toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu bang)) - ((hanh dung) OR (anh dung)) cua dong thuong mach toan cao*.