Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
john using » john king
yang john » young john, king john, yang jin
using sar » using sat, using svr, using smart
juan ran » juan rana, juan ramon, juan rene
ran yang » dan yang, ran ying, tan yang
yan san » yan clan, yan guan, yan wang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nan ((yan san) or (yang guang)) juan ran yang john using sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan ((yan san) OR (yang guang)) juan ran yang john using sar ;*.