Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
john kong » john king, john song, john wong
wing yan » wang yan, wing ian, wing tan
yan yang » yang yang, yao yang, dan yang
yu chen » yu cheng, yulu chen, jui chen
yi chen » jui chen
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan yang ((yu chen) OR (yi chen)) yang john kong sar ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan yang ((yu chen) OR (yi chen)) yang john kong sar ;".
• Adding a wildcard symbol may retrieve word variants: wing yan yang ((yu chen) OR (yi chen)) yang john kong sar ;*.