Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
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 san » cong tac
toan cau » toan ban, toan tap
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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 trung cua bang cong san ((((toan cau) OR (toan tai))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung cua bang cong san ((((toan cau) OR (toan tai))) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trung cua bang cong san ((((toan cau) OR (toan tai))) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung cua bang cong san ((((toan cau) OR (toan tai))) or (toan cao))*.