Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yan » yang yang, wang yan, yang fan
yi cheng » xi cheng, yi chang, _ cheng
yu cheng » yu chen, _ cheng
chan eng » chan fong, chan kang, chan ming
chan jan » chain jane, chan alan, chan kang
yi chen » jui chen
chung h » chun h, chung _, chung hee

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yan ((yi chen) or (((yi cheng) OR (yu cheng)))) ((chan eng) or (chan jan)) chung h ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yan ((yi chen) OR (((yi cheng) OR (yu cheng)))) ((chan eng) OR (chan jan)) chung h ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yan ((yi chen) or (((yi cheng) OR (yu cheng)))) ((chan eng) or (chan jan)) chung h ;*".