Perhaps you should try some spelling variations:
yan yang » yang yang, yao yang, dan yang
jong min » song min, song ming, cog min
gong min » song min, gong meng, song ming
gong hui » tong hui, tong shui, dong hua
wang hui » wang hua, wang zhi, wang wei
yang yi » yang di, yang xi, yang jui
gong si » dong sin
yi li » yi lai, yi lin, yin li

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yang yi li ((jong min) OR (gong min)) ((((gong hui) OR (gong si))) OR (wang hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan yang yi li ((jong min) or (gong min)) ((((gong hui) or (gong si))) or (wang hui)) ;*.