Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
yan dean » yang dean, lane dean, can deal
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, ying jin, shang jin
wong sau » wong sam, wong siu, wong shiu
dean yu » dian yue
yu chen » yu cheng, yi chen, yulu chen
yang xi » yang di, yang yi, yang jui

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 dean yu chen ((((yang jun) or (yang jin))) or (yang xi)) wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan dean yu chen ((((yang jun) OR (yang jin))) OR (yang xi)) wong sau ;*.