Perhaps you should try some spelling variations:
wang yang » wang liang, wang yanling
yan liang » yang liang, wang liang, you liang
min congo » bind congo, minh cong, eic congo
congo shu » cong shu
wang qin » wang lin, wang qiao, wang jing
li gong » li gang, li rong, li song
li cong » li rong, li song, jiu cong

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 yang) OR (wang yan)) ((yan liang) OR (wang qin)) ((li gong) OR (li cong)) min congo shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (wang yan)) ((yan liang) or (wang qin)) ((li gong) OR (li cong)) min congo shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang yan)) ((yan liang) or (wang qin)) ((li gong) OR (li cong)) min congo shu ;*.