Perhaps you should try some spelling variations:
formen des » formen der
klang der » klarung der, gang der
zwang iii » zugang iii, klang iii
yang dali » yang di, bang dai, yang all
des david » de david, hess david, deng david
yan wang » yuan wang, yang yang, qian wang
david ng » david g, david n, david a
ng hai » dang 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 ((((klang der) OR (zwang iii))) OR (yang dali)) formen des david ng hai ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang ((((klang der) or (zwang iii))) or (yang dali)) formen des david ng hai ;*.