Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
qua nhung » quan nhung, cua nhung, qua chung
cong san » cong tac
san phan » san pham, van phan, sat phan
phan dau » phan tu, hang dau

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) OR (chiet tach)) - thanh tung ((tuan nhung) or (qua nhung)) cong san phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - thanh tung ((tuan nhung) OR (qua nhung)) cong san phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - thanh tung ((tuan nhung) or (qua nhung)) cong san phan dau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chiet tach)) - thanh tung ((tuan nhung) or (qua nhung)) cong san phan dau*.