Perhaps you should try some spelling variations:
can cheng » tan cheng, can change, yuan cheng
cheng wei » chen wei, cheng hei, cheng siwei
long tin » long tip, long trinh, long time
wei tang » wei wang, wei yang, wei shang
tang jie » yang jie, tang li, yang jin
tong hui » wang hui
tin can » tin tan
dong xu » dong hua, dong liu

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

• Performing a fuzzy search may retrieve terms with similar spellings: long tin can cheng wei tang jie ((((cong shu) or (tong hui))) or (dong xu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long tin can cheng wei tang jie ((((cong shu) OR (tong hui))) OR (dong xu)) ;.
• Adding a wildcard symbol may retrieve word variants: long tin can cheng wei tang jie ((((cong shu) or (tong hui))) or (dong xu)) ;*.