Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
yuan kai » yuan kang, yuan fei, tan kai
hong hai » zhong tai, dang hai, hong tan
hong sau » wong sau, hong paul, kong sar
yang xi » yang di, yang yi, yang jui
yang i » yang di, yang yi, yang li

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 kai)) ((yang i) OR (yang xi)) gene ((hong hai) or (shang hai)) hong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan kai)) ((yang i) OR (yang xi)) gene ((hong hai) OR (shang hai)) hong sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yuan kai)) ((yang i) OR (yang xi)) gene ((hong hai) or (shang hai)) hong sau ;*".