Perhaps you should try some spelling variations:
cheng wei » chen wei, cheng hei, cheng siwei
shang kai » shang hai
yu cheng » yu chen, _ cheng
wei chen » wei shen, frei chen, jui chen
yang jin » yang jie, yang jun, ying jin
than yu » than you, tian yu, than your
yang yi » yang xi, 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: than yu cheng wei chen ((((yang jin) OR (yang judy))) OR (((yang yi) OR (yang di)))) shang kai ;~.
• Adding a wildcard symbol may retrieve word variants: than yu cheng wei chen ((((yang jin) or (yang judy))) or (((yang yi) or (yang di)))) shang kai ;*.