Perhaps you should try some spelling variations:
chen huang » chen shuang, chen huigang, chen yugang
huang ying » huang jing, huang ting, huang yang
ying tong » xin tong, ying yang
yan clan » yan guan
das clan » das bilan, das land, das cern
yan yuan » yan guan, fang yuan, nan yan
hua chen » jui chen, yu chen, a chen
tong hui » wang hui
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((((yan clan) OR (das clan))) or (yan yuan)) hua chen huang ying tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yan clan) OR (das clan))) OR (yan yuan)) hua chen huang ying tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yan clan) OR (das clan))) or (yan yuan)) hua chen huang ying tong hui ;*".