Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, huong dong
chuong dong » chuong duong, phuong dong, huong dong
chieu sach » chinh sach, chieu sang, chieu xanh
hanh dung » thanh dung, anh dung, hanh dong
dung luat » dung luan, dung quat, dung cua
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: theo ((chieu sach) OR (chiet tach)) - hanh dung luat ((thuong dong) or (chuong dong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - hanh dung luat ((thuong dong) OR (chuong dong)) tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - hanh dung luat ((thuong dong) or (chuong dong)) tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - hanh dung luat ((thuong dong) or (chuong dong)) tinh toan ban*.