Perhaps you should try some spelling variations:
yang yang » wang yang
tan yang » dan yang, tan ying, tan yong
tan chia » tuan china, than china, can china
chia den » china den, chia wen, chinas den
von lehr » von lehre, von mehr
wong sau » wong sam, wong siu, wong shiu
den von » baden von

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: ((yang yang) OR (((tan yang) OR (wang yan)))) tan chia den von lehr wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (((tan yang) or (wang yan)))) tan chia den von lehr wong sau ;*.