Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
ho chieu » theo chieu, hoc thieu, doi chieu
van dang » van dong, van dung, van dan
van nang » van quang, van ban, van dong
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, than man, nhuan ban
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 thanh ((van dang) OR (van nang)) cong dan ((than ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh thanh ((van dang) OR (van nang)) cong dan ((than ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh thanh ((van dang) OR (van nang)) cong dan ((than ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh thanh ((van dang) OR (van nang)) cong dan ((than ban) or (toan ban))*.