Perhaps you should try some spelling variations:
land thinking » brand thinking, can thinking, mind thinking
lean thinking » re thinking, new thinking
roman dan » roman das, roman law, roman der
song skin » song shin, song jin, song min
dan qing » dan yang, der qing
bonn ein » bonn mein, bonn die, kann ein

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

• Performing a fuzzy search may retrieve terms with similar spellings: roman dan qing ii ((land thinking) OR (lean thinking)) form ((bonn ein) or (song skin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: roman dan qing ii ((land thinking) OR (lean thinking)) form ((bonn ein) OR (song skin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "roman dan qing ii ((land thinking) OR (lean thinking)) form ((bonn ein) or (song skin)) ;*".