Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hung » thanh huong, thanh tung, thanh trung
thanh dung » thanh duong, thanh tung, hanh dung
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
danh phan » doanh phan, danh nhan, danh phap
ho chieu » theo chieu, hoc thieu, mot chieu
tay dung » xay dung, tac dung, tay nung

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 - ((thanh hung) or (thanh dung)) tay dung cong danh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh hung) OR (thanh dung)) tay dung cong danh phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh hung) or (thanh dung)) tay dung cong danh phan tu*.