Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
yong hua » ying hua, wang hua, gong hui
tong hui » wang hui
dong hua » wang hua, dong hoi, dong xu
yang jin » yang jie, yang jun, ying jin
jin wong » jin song, john wong, jin ying
wong sam » wong sau, wong lai, kong sar

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan ((((yong hua) or (tong hui))) or (dong hua)) irene yang jin wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((((yong hua) OR (tong hui))) OR (dong hua)) irene yang jin wong sam ;.
• Adding a wildcard symbol may retrieve word variants: lang yan ((((yong hua) or (tong hui))) or (dong hua)) irene yang jin wong sam ;*.