Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
yan wang » yuan wang, yang yang, qian wang
wang wei » zhang wei, wang zhi
wei chen » wei shen, frei chen, jui chen
yang jie » yang jin, yang jui, yang yi
jin yan » jin ying, qian yan, jiao yan
yang xi » 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 ((((yang jie) OR (yang di))) OR (yang xi)) shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "jin yan wang wei chen ((((yang jie) OR (yang di))) or (yang xi)) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: jin yan wang wei chen ((((yang jie) OR (yang di))) or (yang xi)) shang hai ;*.