Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
fong chang » fong chan, hoong chang, jong chan
chang amin » chang min, change amid, chang ann
chan fong » chew fong, chan eng, chan kang
zhang zhi » zhong zhi, zhang wei, zhang dai
yan wang » yuan wang, yang yang, qian wang

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