Perhaps you should try some spelling variations:
luat thuong » suat thong
thuong cong » thong cong, thuong con, thuong dong
hanh trinh » canh tranh
nhiet nang » nhiet dong, viet nang, nhieu tang
hieu lang » chieu sang, hieu quang, nhieu tang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » 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: ho ((nhiet nang) or (hieu lang)) - ((hanh trinh) OR (hanh chinh)) luat thuong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhiet nang) OR (hieu lang)) - ((hanh trinh) OR (hanh chinh)) luat thuong cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((nhiet nang) or (hieu lang)) - ((hanh trinh) OR (hanh chinh)) luat thuong cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((nhiet nang) or (hieu lang)) - ((hanh trinh) OR (hanh chinh)) luat thuong cong dan toan cau*.