Perhaps you should try some spelling variations:
shang hai » dang hai, chang ha, hong hai
jiao yan » xiao yuan, xiao yang, qian yan
yan wang » yuan wang, yang yang, qian wang
wang wei » zhang wei, wang zhi
wei chen » wei shen, frei chen, jui chen
yang jin » yang jie, yang jun, ying jin
yang xi » yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: jiao yan wang wei chen ((yang jin) or (((yang xi) OR (yang di)))) ((shang hai) or (shang kai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: jiao yan wang wei chen ((yang jin) OR (((yang xi) OR (yang di)))) ((shang hai) OR (shang kai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "jiao yan wang wei chen ((yang jin) or (((yang xi) OR (yang di)))) ((shang hai) or (shang kai)) ;*".