Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
qua trong » quan trong, qua trinh, qua song
san khoan » san khoa, toan khoan, cac khoan
tung qua » dung qua, tuong quan, trung quan
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 tung qua 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 tung qua trong cong san khoan va.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - thanh tung qua trong cong san khoan va*.