Perhaps you should try some spelling variations:
young john » kong john, young jean
guang huan » huang juan
yan guang » yang guang, yan guan, gan guan
zhang kim » kang kim, zhang i, zhang ii
zhang xin » zhang jian, zhang ming, zhang fan
wong john » wrong john, kong john, longo john
wing yan » wang yan, wing ian, wing tan
huan li » guan li, yuan li, huang lin

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 guang huan li ((zhang kim) OR (zhang xin)) ((young john) OR (wong john)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan guang huan li ((zhang kim) OR (zhang xin)) ((young john) or (wong john)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan guang huan li ((zhang kim) OR (zhang xin)) ((young john) or (wong john)) ;*.