Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
hong than » hong tan, long thanh
hong hai » shang hai, zhong tai, dang hai
hong sau » wong sau, hong paul, kong sar
yang xi » yang di, yang yi, yang jui
xi gene » i gene, iii gene

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 yang xi gene ((hong than) OR (hong hai)) hong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang yang xi gene ((hong than) OR (hong hai)) hong sau ;*".