Perhaps you should try some spelling variations:
wang zhang » wang zheng, wang luhang, zhang zhang
wei formen » zwei formen, drei formen, der formen
formen die » formel die, former die, reformen die
zhang wei » zhen wei
die david » de david, dawe david, time david
yan wang » yuan wang, yang yang, qian wang
ng hai » hong hai

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 zhang wei formen die david ((ng hai) OR (dang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang zhang wei formen die david ((ng hai) or (dang hai)) ;*.