Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lieu tinh » diep tinh, bien tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
mang cua » manh cua, dung cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (((lieu tinh) or (trieu tinh)))) - hanh mang cua dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (((lieu tinh) OR (trieu tinh)))) - hanh mang cua dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (((lieu tinh) or (trieu tinh)))) - hanh mang cua dung cong dan van ban*.