Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doc chieu » doc hieu, doi chieu, toc thieu
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
thanh lap » thanh san, phan lap, thanh hai
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, song van, cong tan
cong san » cong tac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu sach - hanh tang cua nhung ((cong van) OR (cong san)) thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc chieu sach - hanh tang cua nhung ((cong van) OR (cong san)) thanh lap".
• Adding a wildcard symbol may retrieve word variants: doc chieu sach - hanh tang cua nhung ((cong van) OR (cong san)) thanh lap*.