Perhaps you should try some spelling variations:
can cheng » tan cheng, can change, yuan cheng
cheng wei » chen wei, cheng hei, cheng siwei
shang hai » shang kai, dang hai, chang ha
wei chen » wei shen, frei chen, jui chen
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
tin can » tin tan
yang yi » yang di, yang xi

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: tin can cheng wei chen ((((yang jie) OR (yang jui))) OR (yang yi)) shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: tin can cheng wei chen ((((yang jie) or (yang jui))) or (yang yi)) shang hai ;*.