Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh huong » thanh huong, anh huong, manh huong
huong cua » dung cua
dung cong » dung trong
thanh ban » thanh san, thanh van, thanh bac
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
than ban » toan ban, than man, nhuan 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 huong cua dung cong tan ((than ban) OR (thanh ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh huong cua dung cong tan ((than ban) OR (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh huong cua dung cong tan ((than ban) OR (thanh ban))*.