Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
chinh luat » chinh luan, hinh luat, trinh luat
thong cong » trong cong, tong cong, thong thong
chi sach » chinh sach, chieu sach, co sach
hai quan » tac quan
doi chi » doi khi
hai tan » hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - hanh chinh luat ((thong cong) or (thuong dong)) ((hai tan) or (hai quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - hanh chinh luat ((thong cong) OR (thuong dong)) ((hai tan) OR (hai quan)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - hanh chinh luat ((thong cong) or (thuong dong)) ((hai tan) or (hai quan)) cao*.