Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
hua irene » hua ren
chang min » zhang ming, chang mae, chan ming
yang hua » wang hua, yang hui, ying hua
wong sau » wong sam, wong siu, wong shiu
hong ghi » zhong zhi, hong g, hong hai

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 yang hua irene chang min ((wong sau) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang hua irene chang min ((wong sau) OR (hong ghi)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang hua irene chang min ((wong sau) or (hong ghi)) ;*.