Perhaps you should try some spelling variations:
luat thuong » suat thong
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran ban » tranh ban, tran van, 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: ((ho chieu) or (doi chieu)) xanh - hanh trinh luat thuong ((cong tan) OR (cong san)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - hanh trinh luat thuong ((cong tan) OR (cong san)) tran ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - hanh trinh luat thuong ((cong tan) OR (cong san)) tran ban*".