Perhaps you should try some spelling variations:
von sprach » von sprache, von sprachen
yong liang » yang liang, song ligang, wang liang
wang yong » wang yang, wang hyoung, wang yan
liang yi » jiang yi, liang li, liang ying
yi chen » jui chen
yang yi » yang xi, yang jui
sar » sara, star, saur

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 yong liang yi chen ((yang yi) OR (yang di)) ((von sprach) OR (kong sar)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong liang yi chen ((yang yi) or (yang di)) ((von sprach) or (kong sar)) ;*.