Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
yan wang » yuan wang, yang yang, qian wang
wei chen » frei chen, jui chen, yi chen
wei shen » kwei sheng, enwei shen, wei shang
yang jun » yang jui, pang jun, yang jin
jin yan » jin ying, qian yan, jiao yan
yang xi » yang di, yang yi, yang jui

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: jin yan wang ((wei chen) OR (wei shen)) ((yang jun) OR (yang xi)) shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "jin yan wang ((wei chen) OR (wei shen)) ((yang jun) or (yang xi)) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: jin yan wang ((wei chen) OR (wei shen)) ((yang jun) or (yang xi)) shang hai ;*.