Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan chang, qian wang
yuan kang » yuan chang, chan kang, yuan kai
tuan hua » tuan vu, yuan hui
yang lin » yang jin, wang lin, yang liang
wong yue » wang yue, hong yu
tan hua » wang hua, tan chia, tan puay
yang li » yang di, yang xi, yang yi

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 kang)) ((tuan hua) OR (tan hua)) rene ((yang lin) or (yang li)) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan kang)) ((tuan hua) OR (tan hua)) rene ((yang lin) OR (yang li)) wong yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yuan kang)) ((tuan hua) OR (tan hua)) rene ((yang lin) or (yang li)) wong yue ;*".