Perhaps you should try some spelling variations:
wang yidan » wang yan
yuan cheng » yuan chang, huang cheng, yu cheng
jui chen » yi chen
yang jie » yang jin, yang di, yang jui
wong siu » wong shiu, kong siu, wong sau
yang yi » yang di, yang jui
yang xi » yang di, yang jui
radu » raju, nadu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan radu ((jui chen) or (yuan cheng)) ((((yang yi) OR (yang xi))) or (yang jie)) wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan radu ((jui chen) OR (yuan cheng)) ((((yang yi) OR (yang xi))) OR (yang jie)) wong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan radu ((jui chen) or (yuan cheng)) ((((yang yi) OR (yang xi))) or (yang jie)) wong siu ;*".