Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
shin dong » shin young, shi rong, shin jang
yan yuan » yan guan, fang yuan, nan yan
quan guo » quan guan
chen zhi » chen zhe, chen zhen, chen chih
zhi shin » zhi chen, zhi shu
yi chen » jui chen
dong di » dong sin

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((yan yuan) OR (yang yang))) OR (quan guo)) yi chen zhi shin dong di ;~".
• Adding a wildcard symbol may retrieve word variants: lang ((((yan yuan) OR (yang yang))) OR (quan guo)) yi chen zhi shin dong di ;*.