Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
guang ruan » huang juan
young john » kong john, young jean
longo john » kong john
wang yang » wang yan, wang liang, wang yanling
zhang kim » zhang xin, kang kim, zhang i
wong john » wrong john, kong john, king john
ji zhang » jia zhang, jie zhang, li zhang
ruan ji » huan jie

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