Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hang dong » hang nong, hang cong, lang dong
hanh dong » anh dong, ha dong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh sang
anh nang » ganh nang, anh bang, anh dang
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 - ((anh tang) OR (anh nang)) cua ((hang dong) or (hanh dong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((anh tang) OR (anh nang)) cua ((hang dong) OR (hanh dong)) tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((anh tang) OR (anh nang)) cua ((hang dong) or (hanh dong)) tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((anh tang) OR (anh nang)) cua ((hang dong) or (hanh dong)) tinh toan ban*.