Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sach » chinh sach, chiet tach, chieu sang
cua thuong » cua truong, cua phuong, cua huong
hieu lang » chieu sang, hieu quang, nhieu tang
ca thuong » cao thuong, va thuong, cp thuong
ban thanh » ban hanh, ban hang
thanh hai » thanh phan, thanh hoa, thanh san
tong ban » trong ban, tuong ban, tong van

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 (hieu lang)) - thanh thong ((cua thuong) OR (ca thuong)) tong ban thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (hieu lang)) - thanh thong ((cua thuong) OR (ca thuong)) tong ban thanh hai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (hieu lang)) - thanh thong ((cua thuong) OR (ca thuong)) tong ban thanh hai".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (hieu lang)) - thanh thong ((cua thuong) OR (ca thuong)) tong ban thanh hai*.