Perhaps you should try some spelling variations:
luat thuong » suat thong
luat nhung » luat chung, thuat nhung, cua nhung
hieu lang » chieu sang, hieu quang, nhieu tang
tran chau » tranh chap, tran huu
doi hieu » doi chieu, doc hieu, doi hien
cong san » cong tac
san tran » tan tran, ban tran, dang tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - hanh chinh ((luat nhung) or (luat thuong)) cong san tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - hanh chinh ((luat nhung) OR (luat thuong)) cong san tran chau.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - hanh chinh ((luat nhung) or (luat thuong)) cong san tran chau*.