Perhaps you should try some spelling variations:
wang yidan » wang yan
song bing » song ming, song byung, dong bin
yang tin » yang lin, yang jing, yang mind
yang jin » yang jie, yang jun, ying jin
gong min » jong min, song min, gong meng
ren dan » ren yan, owen dan
hai » hadi, haji, hari

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: wang yidan hai ren dan ((yang tin) OR (yang jin)) ((song bing) OR (gong min)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yidan hai ren dan ((yang tin) or (yang jin)) ((song bing) or (gong min)) ;*.