Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh vant » trinh vat, trinh han, trinh viet
trinh van » trinh han, trinh quan, trinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 - canh ((trinh van) or (trinh vant)) trong cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((trinh van) OR (trinh vant)) trong cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh ((trinh van) or (trinh vant)) trong cong dan phan cau*.