Perhaps you should try some spelling variations:
reformen von » formen von, reform von, referaten von
wei reformen » der reformen, den reformen, iii reformen
yuan chang » yuan cheng, huang chang, han chang
yan zhang » bin zhang, han chang, hao zhang
von david » john david, ben david, jan david
zhong tai » hong tan, hong hai, zhong zhi
hong ghi » zhong zhi, hong g, hong hai

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) OR (yuan chang)) wei reformen von david ((zhong tai) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan zhang) OR (yuan chang)) wei reformen von david ((zhong tai) OR (hong ghi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((yan zhang) OR (yuan chang)) wei reformen von david ((zhong tai) or (hong ghi)) ;*".