Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
cong san » cong tac
phan dau » phan tu
hang dau » hang va, hang tai
va dung » va duong, vat dung, va ung

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 tang ((va dung) or (van dung)) cong san ((phan dau) OR (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tang ((va dung) OR (van dung)) cong san ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh tang ((va dung) or (van dung)) cong san ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tang ((va dung) or (van dung)) cong san ((phan dau) OR (hang dau))*.