Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » trinh han
ho chieu » theo chieu, hoc thieu, doi chieu
dong dan » dong danh, duong dan, dong san
dan toan » van toan, dan than, manh toan
toan tap » toan ban
luat » luan, xuat

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