Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chiet tach, chieu sang, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
san khoan » san khoa, toan khoan, cac khoan
cong san » cong tac
khoan va » doan va, khoa ma, nhan va

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) or (chinh sach)) - thanh trung cua trong cong san khoan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - thanh trung cua trong cong san khoan va.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - thanh trung cua trong cong san khoan va*.