Perhaps you should try some spelling variations:
duong phuong » dung phuong, duong phong, dong phuong
phuong manh » phuong anh, phung manh, phuong danh
chieu sach » chinh sach, chiet tach, chieu sang
chinh luat » chinh luan, hinh luat, chinh phat
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.

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