Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thep thiet » thep viet, thuyet thiet
thiet tach » chiet tach, thien hach, thuat tach
hanh trinh » canh tranh, hanh chinh
thuong dam » thuong mai, huong dan, truong dai
luat dong » luat cong, luat bong, luan dong
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: thep thiet tach - hanh trinh luat dong thuong dam ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thep thiet tach - hanh trinh luat dong thuong dam ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: thep thiet tach - hanh trinh luat dong thuong dam ((toan cau) or (toan tap))*.