Perhaps you should try some spelling variations:
des ansatzes » des einsatzes, des datensatzes, des gesetzes
yuan chang » yuan cheng, huang chang, han chang
bin zhang » binh thang, li zhang, jia zhang
zhong tai » hong tan, zhong zhi
thing ji » thing _, jing ji, thing 3
hong hai » shang hai, dang hai, hong tan
wang » wing, lang

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) ((bin zhang) or (yuan chang)) des ansatzes thing ji ((zhong tai) OR (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) ((bin zhang) OR (yuan chang)) des ansatzes thing ji ((zhong tai) OR (hong hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) ((bin zhang) or (yuan chang)) des ansatzes thing ji ((zhong tai) OR (hong hai)) ;*".