Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
wan yanling » wang yanling, wang yangming, wang danning
von making » iron making, un making, von marketing
own making » un making
using ai » using a, using big, using _
di lu » yi lu
li lu » li ju, li l, li li

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: wan yanling yang ((di lu) OR (li lu)) ((von making) OR (own making)) using ai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yanling yang ((di lu) or (li lu)) ((von making) OR (own making)) using ai ;~".
• Adding a wildcard symbol may retrieve word variants: wan yanling yang ((di lu) or (li lu)) ((von making) OR (own making)) using ai ;*.