Perhaps you should try some spelling variations:
des ansatzes » des einsatzes, des datensatzes, des gesetzes
yan zhang » yuan chang, bin zhang, hao zhang
han chang » huang chang, than change, can change
zhong tai » hong hai, zhong zhi
thing ji » thing _, jing ji, thing 3
wang » wing, lang
zhong » zlong
hong » long
tan » than

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or wan) ((yan zhang) OR (han chang)) des ansatzes thing ji ((zhong tai) or (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) ((yan zhang) OR (han chang)) des ansatzes thing ji ((zhong tai) OR (hong tan)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) ((yan zhang) OR (han chang)) des ansatzes thing ji ((zhong tai) or (hong tan)) ;*".