Perhaps you should try some spelling variations:
thuong thuong » thong thuong, thuong phuong, thuong truong
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
cua thuong » cua truong, cua phuong, ca thuong
trung cua » truong cua, trung tuan, trung cap
mai tan » hai tan, mai van, mai thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chiet tach)) - thanh trung cua thuong thuong ((mai tan) or (mai tat)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - thanh trung cua thuong thuong ((mai tan) OR (mai tat)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - thanh trung cua thuong thuong ((mai tan) or (mai tat)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - thanh trung cua thuong thuong ((mai tan) or (mai tat)) cau*.