Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhanh hung » thanh hung, nhanh hong, nhanh chuong
cua trong » cua truong, cua trung, qua trong
hung cua » huong cua, chung cua, khung cua
cong dan » cong san, cong tan, huong dan
ha tinh » may tinh
va tinh » may tinh
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 (((ha tinh) or (va tinh)))) - nhanh hung cua trong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (((ha tinh) OR (va tinh)))) - nhanh hung cua trong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (((ha tinh) or (va tinh)))) - nhanh hung cua trong cong dan van ban*.