Perhaps you should try some spelling variations:
wang liang » wang yang
zhang ming » zhang xin
liang dan » liang tan, king dan, liang sun
khan sher » han shen, khan syed, than she
chan ming » kian ming, chan eng, chan fong
zhong zhi » zhang zhi, hong ghi, zhong tai
yan sher » can she, han shen

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 dan ((yan sher) OR (khan sher)) ((zhang ming) OR (chan ming)) zhong zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang dan ((yan sher) OR (khan sher)) ((zhang ming) or (chan ming)) zhong zhi ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang dan ((yan sher) OR (khan sher)) ((zhang ming) or (chan ming)) zhong zhi ;*.