Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yan guan » gan guan, yan yuan, yang guang
juan ran » juan rana, juan ramon, juan rene
ran yang » dan yang, ran ying, tan yang
yang kim » yong kim, kang kim, hyung kim
kim song » kim young, kim eung
song sar » kong sar, using sar, song pae

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

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