Perhaps you should try some spelling variations:
cheng wei » chen wei, cheng hei, cheng siwei
tong shui » cong shu, gong hui
tong hui » wang hui
wang jie » yang jie, tang jie, wang jing
wei wang » wei yang, wen wang, wei shang
wing tan » wing ian, liang tan, hong tan
tin tan » tan tan, tin can
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 tan) or (wing tan)) cheng wei wang jie ((((tong shui) or (tong hui))) or (dong xu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long ((tin tan) OR (wing tan)) cheng wei wang jie ((((tong shui) OR (tong hui))) OR (dong xu)) ;.
• Adding a wildcard symbol may retrieve word variants: long ((tin tan) or (wing tan)) cheng wei wang jie ((((tong shui) or (tong hui))) or (dong xu)) ;*.