Perhaps you should try some spelling variations:
john ngosong » john song
zhang ying » zhang ming, zhang jing, zhang ping
yang liang » wang liang, yan liang, yang yang
chen turn » can turn, chen tain, chen tan
turn john » turner john, stern john, turri john
yang jun » yang jui, pang jun, yang jin

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: zhang ying ((yang liang) OR (yang jun)) chen turn john ngosong (sam OR same) ;~.
• Adding a wildcard symbol may retrieve word variants: zhang ying ((yang liang) or (yang jun)) chen turn john ngosong (sam or same) ;*.