Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
luat nhung » luat thuong, thuat nhung, cua nhung
luat chung » luan chung, luat thuong, cua chung
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh trinh ((luat nhung) OR (luat chung)) cong bang ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh ((luat nhung) OR (luat chung)) cong bang ((toan tap) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trinh ((luat nhung) OR (luat chung)) cong bang ((toan tap) or (toan ban))*.