Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
zhang wei » zhen wei
shang hai » shang kai, dang hai, chang ha
wei chen » wei shen, frei chen, jui chen
yang jie » yang jin, yang jui, yang jun
fan yan » nan yan, fang yuan, wang yan
yang xi » yang jui
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: fan yan zhang wei chen ((yang jie) or (((((yang xi) or (yang di))) or (yang yi)))) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: fan yan zhang wei chen ((yang jie) OR (((((yang xi) OR (yang di))) OR (yang yi)))) shang hai ;.
• Adding a wildcard symbol may retrieve word variants: fan yan zhang wei chen ((yang jie) or (((((yang xi) or (yang di))) or (yang yi)))) shang hai ;*.