Perhaps you should try some spelling variations:
luat thuong » suat thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
luat nhung » luat chung, thuat nhung, cua nhung
song van » hoang van, trong van, duong van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chinh sach)) - hanh trinh ((luat nhung) OR (luat thuong)) song van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chinh sach)) - hanh trinh ((luat nhung) OR (luat thuong)) song van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chinh sach)) - hanh trinh ((luat nhung) OR (luat thuong)) song van toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chinh sach)) - hanh trinh ((luat nhung) OR (luat thuong)) song van toan ban*.