Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yuan ting » yuan ming, huang ting, yuan kang
wing yan » wang yan, wing ian, wing tan
wong yue » wang yue
yan tan » tan tan, yan clan, yan guan
tan hua » tuan hua, wang hua, tan chia
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan tan hua ren ((yuan ting) or (yuan wang)) ((hong yu) OR (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan tan hua ren ((yuan ting) OR (yuan wang)) ((hong yu) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan tan hua ren ((yuan ting) or (yuan wang)) ((hong yu) OR (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: wing yan tan hua ren ((yuan ting) or (yuan wang)) ((hong yu) OR (wong yue)) ;*.