Perhaps you should try some spelling variations:
der reformen » der reform
david hong » david ng
wang yang » wang yan, wang liang, wang yanling
ii normen » i normen, ii formen, die normen
im david » kim david, lam david, die david
nan yan » wang yan, qian yan, dan yang
nan ya » nana yaa
hong g » hong ng, hong w, hong 7

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 yang) OR (((nan yan) OR (nan ya)))) klang ((der reformen) OR (ii normen)) im david hong g ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (((nan yan) OR (nan ya)))) klang ((der reformen) or (ii normen)) im david hong g ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (((nan yan) OR (nan ya)))) klang ((der reformen) or (ii normen)) im david hong g ;*.