Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » hanh trang, manh trung, danh trung
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
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 sach - ((hanh trung) OR (thanh trung)) cua bang cong dan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh trung) or (thanh trung)) cua bang cong dan ((toan cao) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh trung) or (thanh trung)) cua bang cong dan ((toan cao) OR (toan ban))*.