Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong cao » truong cao, thong cao, thuong chau
hien sach » dien sach, kien sach, thien hach
nhung van » phung van, nhung bai, nhung cau
hang nong » thang long, han tong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - thanh thuong cao ((nhung van) or (hang nong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh thuong cao ((nhung van) OR (hang nong)) dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh thuong cao ((nhung van) or (hang nong)) dan than cao*.