Perhaps you should try some spelling variations:
yang colin » yang lin
hyun song » kyu song
gang gong » gongs gong, gang sung, gong gang
wing yan » wang yan, wing ian, wing tan
yun song » yun young, jin song, kyu song
gong hui » tong hui, tong shui, wang hui
yang li » yang lin, yang di, yang xi

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 ((yang colin) OR (yang li)) ((hyun song) OR (yun song)) gang gong hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((yang colin) or (yang li)) ((hyun song) OR (yun song)) gang gong hui ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan ((yang colin) or (yang li)) ((hyun song) OR (yun song)) gang gong hui ;*.