Perhaps you should try some spelling variations:
young john » kong john, young jean
guan juan » huang juan, san juan, quan guan
jie zhang » jia zhang, li zhang, bin zhang
zhang xin » zhang jian, zhang ming, zhang fan
wong john » wrong john, kong john, longo john
wang gan » wang yan, wang ban, wang dan
gan guan » yan guan, quan guan, fan guon
juan jie » huan jie, juan die, juan jose

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 gan guan juan jie zhang xin ((young john) OR (wong john)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang gan guan juan jie zhang xin ((young john) or (wong john)) ;*.