Perhaps you should try some spelling variations:
chen yugang » chen huigang, chen yang, chen yulan
yugang ying » huang ying
ying tong » xin tong, ying yang
clan hua » tan hua, tuan hua
hua chen » jui chen, yu chen, a chen
tong hui » wang hui
nan yan » nan ya, qian yan, dan yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nan yan) OR (wang yan)) clan hua chen yugang ying tong hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nan yan) OR (wang yan)) clan hua chen yugang ying tong hui ;*".