Perhaps you should try some spelling variations:
luat thuong » suat thong
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trinh » canh tranh, hanh chinh
cong vang » cong lang, cong quang, cong ngang
toc hieu » toc thieu, doc hieu, hoc thieu
cong van » cong san, song van, cong tan
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: toc hieu nganh - hanh trinh luat thuong ((cong van) or (cong vang)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu nganh - hanh trinh luat thuong ((cong van) OR (cong vang)) toan cao.
• Adding a wildcard symbol may retrieve word variants: toc hieu nganh - hanh trinh luat thuong ((cong van) or (cong vang)) toan cao*.