Perhaps you should try some spelling variations:
wei reformen » der reformen, den reformen, iii reformen
yan zhang » yuan chang, bin zhang, han chang
zhang wei » zhen wei
von david » john david, jan david
ben david » bevan david
zhong zhi » zhang zhi, zhong tai
hong ghi » hong g, hong hai
wan yan » wang yan, nan yan, wai yan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan zhang wei reformen ((von david) OR (ben david)) ((zhong zhi) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan zhang wei reformen ((von david) OR (ben david)) ((zhong zhi) OR (hong ghi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan zhang wei reformen ((von david) OR (ben david)) ((zhong zhi) or (hong ghi)) ;*".