Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tuan
doi chieu » doc hieu, doi chi, ho chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, hang nong, bang cong
thanh tra » thanh toan, thanh hoa
mang va » mang vua, hang va, bang va
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh mang va hang cong ((thanh tran) or (thanh tra)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh mang va hang cong ((thanh tran) OR (thanh tra)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh mang va hang cong ((thanh tran) or (thanh tra)) cau*.