Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
hanh han » hanh nhan, hanh phan, hanh san
vat dung » van dung, viet dung, mat duong
cong tan » cong tac, cong san, cong thanh
thanh ma » thanh mau, thanh ha, hanh ma
thanh va » thanh van, hanh va, thanh ha
va dung » van dung, va duong, 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 han ((va dung) or (vat dung)) cong tan ((thanh ma) OR (thanh va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh han ((va dung) OR (vat dung)) cong tan ((thanh ma) OR (thanh va)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh han ((va dung) or (vat dung)) cong tan ((thanh ma) OR (thanh va))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh han ((va dung) or (vat dung)) cong tan ((thanh ma) OR (thanh va))*.