Perhaps you should try some spelling variations:
last thin » last thing, last things
thin lens » thin line, thin end
yan wang » yuan wang, yang yang, qian wang
yang die » yang di, klang die, yang xi
yang jie » yang jin, yang di, yang jui
dort bin » dort hin, dort ii, dort von
dong bin » dong sin, dong di, dann bin

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: yan wang ((yang die) OR (yang jie)) last thin lens ((dort bin) OR (dong bin)) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang ((yang die) or (yang jie)) last thin lens ((dort bin) or (dong bin)) ;*.