Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yuan wang » yan wang, yuan kang, qian wang
tuan hua » tuan vu, yuan hui
yang yin » yang jin, yang lin, yang yun
tan hua » wang hua, tan chia, tan puay
yang yi » yang di, yang xi, yang jui
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan wang) or (yuan chang)) ((tan hua) OR (tuan hua)) rene ((yang yin) or (yang yi)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan chang)) ((tan hua) OR (tuan hua)) rene ((yang yin) OR (yang yi)) hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yuan chang)) ((tan hua) OR (tuan hua)) rene ((yang yin) or (yang yi)) hong yu ;*".