Perhaps you should try some spelling variations:
wang liang » wang yang
chen chang » chin chang, shen chang, when change
chen chung » chen chuling, chen shuang, chen chuan
wang qian » wang qiao, wang qin, wang yidan
kin keong » king kong, min jeong
keong shu » cong shu, jeong su
yan li » yang li, yuan li, gan 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 qian) OR (wang liang)) yan li ((chen chang) OR (chen chung)) kin keong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang qian) OR (wang liang)) yan li ((chen chang) or (chen chung)) kin keong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang qian) OR (wang liang)) yan li ((chen chang) or (chen chung)) kin keong shu ;*.