Perhaps you should try some spelling variations:
john song » john wong, john bonn, john ngosong
wang yong » wang yang, wang hyoung, wang yan
shin dong » shin young, shi rong, shin jang
yong van » cong van, duong van, yong ben
van phan » dan phan, van thanh, van ham
jie song » jae song, jin song, kim song
dong shu » cong shu, tong shui, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong van phan ((jie song) or (john song)) shin dong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong van phan ((jie song) OR (john song)) shin dong shu ;*.