Perhaps you should try some spelling variations:
thinking form » thinking firm, thinking from, thinking before
thinking four » thinking about, thinking aloud, thinking from
song skin » song shin, song jin, song min
dan qing » dan yang, der qing
bonn ein » bonn mein, bonn die, kann ein
wan dan » wang dan, wan daud, awam dan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wan dan qing ii land ((thinking form) OR (thinking four)) ((bonn ein) OR (song skin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan dan qing ii land ((thinking form) OR (thinking four)) ((bonn ein) or (song skin)) ;~".
• Adding a wildcard symbol may retrieve word variants: wan dan qing ii land ((thinking form) OR (thinking four)) ((bonn ein) or (song skin)) ;*.