Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hung » thanh huong, thanh tung, thanh trung
nhung cong » dung cong, thong cong, hang cong
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
hung tan » hung tran, hung tuan, cung tan
dan dung » van dung, tin dung, ap dung
dung dat » dung va, dung tai

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