Perhaps you should try some spelling variations:
dang thuong » hang thuong, dung thuong, dong thuong
thuong dam » thuong mai, huong dan, truong dai
doi chieu » doc hieu, doi chi, ho chieu
than cap » khan cap, thanh lap, thanh cac
toan cao » toan ban, toan tap
cong cu » chung cu
cu dang » cua dang, su dang, vu dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (doi chieu)) sach - thanh cong cu dang thuong dam ((than cap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (doi chieu)) sach - thanh cong cu dang thuong dam ((than cap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doi chieu)) sach - thanh cong cu dang thuong dam ((than cap) or (toan cao))*.