Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
zheng wei » zhen wei, zhang wei, zheng lei
shang hai » shang kai, dang hai, chang ha
ran wang » yan wang, qian wang, ran ying
wei chen » wei shen, frei chen, jui chen
yang jui » yang judy, yang di, yang xi
yang yi » yang di, yang xi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ran wang) OR (yuan wang)) zheng wei chen ((yang jui) OR (yang yi)) shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ran wang) OR (yuan wang)) zheng wei chen ((yang jui) or (yang yi)) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((ran wang) OR (yuan wang)) zheng wei chen ((yang jui) or (yang yi)) shang hai ;*.