Perhaps you should try some spelling variations:
young john » kong john, young jean
yan guang » yang guang, yan guan, gan guan
zhang kim » zhang xin, kang kim, zhang i
wong john » wrong john, kong john, longo john
huan li » guan li, huang lin, huan jie
yuan li » yuan lin, guan li, yuan zi
wang » wing, wan, lang

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