Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chieu sang, chieu xanh
tuong cua » truong cua, huong cua, thong cua
nhung don » nhung van, nhung bo
hang cong » dang cong, hang nong, bang cong
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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