Perhaps you should try some spelling variations:
case thinking » cycle thinking, re thinking, a thinking
thinking four » thinking form, thinking about, thinking aloud
zwang als » zugang als, klang als, wang all
als case » als care, goals case, sales case
bonn die » kann die, wenn die
wang » wing
zwang » zwing
shin » skin, sein, thin

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) or lang) yanling zwang als case thinking four ((bonn die) or (song shin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang OR wan) OR lang) yanling zwang als case thinking four ((bonn die) OR (song shin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang OR wan) or lang) yanling zwang als case thinking four ((bonn die) or (song shin)) ;*".