Perhaps you should try some spelling variations:
yang yang » wang yan
dong sind » dong sin, dong bin, dong ping
wang ning » wang jing, wang liang, wang yong
wang yang » wang yan, wang liang, wang yanling
yu cheng » yu chen, _ cheng
wang qin » wang lin, wang qiao, wang jing
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (dong sind)) ya yu cheng ((wang qin) or (((wang ning) OR (wang yang)))) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (dong sind)) ya yu cheng ((wang qin) OR (((wang ning) OR (wang yang)))) tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (dong sind)) ya yu cheng ((wang qin) or (((wang ning) OR (wang yang)))) tong hui ;*".