Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh cung » thanh cuong, thanh cong, thanh tung
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, doi chieu
ca trong » cad trong, co trong, va trong

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 cung ((ca trong) or (cay trong)) cong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh cung ((ca trong) OR (cay trong)) cong doan phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh cung ((ca trong) or (cay trong)) cong doan phan tu*.