Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
shiyong van » zhiyong fan
john song » john wong, john bonn, john ngosong
van phan » dan phan, van thanh, van ham
kim song » kim young, kim eung
shi rong » yi rong
rong su » rong yu, cong sun, jeong su

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang shiyong van phan ((kim song) or (john song)) shi rong su ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang shiyong van phan ((kim song) OR (john song)) shi rong su ;*.