Perhaps you should try some spelling variations:
yidan wang » yiqian wang, yan wang, yuan wang
fong zhang » fong chan, kong hang, yong phang
zhang ming » zhang xin
qian wang » yiqian wang, qian rong, qian yan
chan fong » chew fong, chan eng, chan kang
zhang zhi » wang zhi, zhang wei, zhang dai
zhong zhi » hong ghi, zhong tai

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