Perhaps you should try some spelling variations:
john ngosong » john song
yang john » young john, king john, yang jin
chen yang » chen rong
wing yan » wang yan, wing ian, wang yang
wing tan » wing ian, liang tan, hong tan
yang hua » yang hui, ying hua, yang jui
spur » sur

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing yan) OR (wing tan)) ((yang hua) OR (wang hua)) chen yang john ngosong (saur OR spur) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing yan) OR (wing tan)) ((yang hua) or (wang hua)) chen yang john ngosong (saur or spur) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wing yan) OR (wing tan)) ((yang hua) or (wang hua)) chen yang john ngosong (saur or spur) ;*.