Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
song min » song ming, gong min, song jin
jong min » gong min, song ming, cog min
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 liang yang yi li ((jong min) OR (song min)) ((((tong hui) OR (gong si))) OR (wang hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang yi li ((jong min) OR (song min)) ((((tong hui) or (gong si))) or (wang hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang yang yi li ((jong min) OR (song min)) ((((tong hui) or (gong si))) or (wang hui)) ;*.