Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
chan kang » chung kang, chan eng, chan jan
chan fong » chew fong, chan eng, chan ming
jui chen » yi chen
wong siu » wong shiu, kong siu, wong sau
yu chen » yu cheng, yi chen, yulu chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (wang liang)) ka ((yu chen) or (jui chen)) ((chan kang) or (chan fong)) wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang liang)) ka ((yu chen) OR (jui chen)) ((chan kang) OR (chan fong)) wong siu ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang liang)) ka ((yu chen) or (jui chen)) ((chan kang) or (chan fong)) wong siu ;*.