Perhaps you should try some spelling variations:
chen young » chen yong, chen yang, chen chung
young john » kong john, wong john, young jean
lang yan » wang yan, wang yang, zhang yan
yan yang » yang yang, yao yang, dan yang
song sau » kong sar, song pae, song so
wong sau » wong sam, wong siu, wong shiu
yang yi » yang di, yang xi, yang jui
yi chen » jui chen

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 yang yi chen young john ((song sau) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan yang yi chen young john ((song sau) OR (wong sau)) ;".
• Adding a wildcard symbol may retrieve word variants: lang yan yang yi chen young john ((song sau) OR (wong sau)) ;*.