Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cua thong » cua thuong, cua khong, cua tong
thong ban » thong van, trong ban, thong bai
ho chieu » theo chieu, hoc thieu, doi chieu
ban chan » dan chan, ban than, ban nhan
chan cau » phan cau, can cau, chinh cau

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 - ((thanh trung) or (thanh tung)) cua thong thong ban chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh trung) OR (thanh tung)) cua thong thong ban chan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trung) or (thanh tung)) cua thong thong ban chan cau*.