Perhaps you should try some spelling variations:
rong yanling » wang yanling, song yanqin
die first » die forst, time first, der first
thin lens » thin line, thin end
horst von » hort von, furst von, horst o
d first » 2d first, 3d first, 2 first
dong di » dong sin
qian » ian, kian, jian

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian rong yanling ((die first) OR (d first)) thin lens ((dong di) or (horst von)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian rong yanling ((die first) OR (d first)) thin lens ((dong di) OR (horst von)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian rong yanling ((die first) OR (d first)) thin lens ((dong di) or (horst von)) ;*".