Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
cay thuong » cao thuong, chan thuong, chap thuong
hiem ngan » kim ngan, viem gan
ca thuong » cao thuong, cua thuong, va thuong
thanh cau » thanh chau, thanh mau, nhanh cau
doc hiem » doc hieu, hoc hien, doc viet
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hiem ngan - thanh tuong ((cay thuong) or (ca thuong)) ((cong van) OR (song van)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hiem ngan - thanh tuong ((cay thuong) OR (ca thuong)) ((cong van) OR (song van)) thanh cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hiem ngan - thanh tuong ((cay thuong) or (ca thuong)) ((cong van) OR (song van)) thanh cau*".