Perhaps you should try some spelling variations:
lean thinking » re thinking, new thinking
land thinking » brand thinking, can thinking, mind thinking
wang dan » wang yan, wang ban, wang yidan
dan qing » dan yang, der qing
bonn ein » bonn mein, bonn die, kann ein
qing i » qing 2, qing _, qing 情
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 dan qing i ((land thinking) OR (lean thinking)) john ((bonn ein) or (song shin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dan qing i ((land thinking) OR (lean thinking)) john ((bonn ein) OR (song shin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dan qing i ((land thinking) OR (lean thinking)) john ((bonn ein) or (song shin)) ;*".