Perhaps you should try some spelling variations:
van velzen » van veen
meng yuan » meng hsuan, fang yuan, feng juan
wang van » wang yan, wang ban, wang dan
velzen a » ellen a, helen a
ren yuan » ren yan, wei yuan, yan yuan
tan long » tan hong, tan yong, van long
tan kong » tan hong

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 van velzen a ((ren yuan) OR (meng yuan)) ((tan long) OR (tan kong)) run ;~.
• Adding a wildcard symbol may retrieve word variants: wang van velzen a ((ren yuan) or (meng yuan)) ((tan long) or (tan kong)) run ;*.