Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan ban » van ban

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 - ((hanh tranh) or (canh tranh)) cua thong cong dan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tranh) OR (canh tranh)) cua thong cong dan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tranh) or (canh tranh)) cua thong cong dan ((toan ban) or (toan tap))*.