Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
hang hang » nang hang, cang thang, hung thang
ho chieu » theo chieu, hoc thieu, doi chieu
tban cau » toan cau, toan cao, ban can
ban cau » bang cau, ban can, van 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 - hang hang va nhung cong thanh ((tban cau) or (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hang hang va nhung cong thanh ((tban cau) OR (ban cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hang hang va nhung cong thanh ((tban cau) or (ban cau))*.