Perhaps you should try some spelling variations:
thinking four » thinking form, thinking about, thinking aloud
wang wang » wang yang, wang liang, wang yan
wang ling » wang liang, wang jing, wang ning
song thin » song shin, song jin, song min
bonn ein » bonn mein, bonn die, kann ein
li land » i land, li lan, die land

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: wang wang ling ((li land) OR (ii land)) thinking four ((bonn ein) OR (song thin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang ling ((li land) OR (ii land)) thinking four ((bonn ein) or (song thin)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang ling ((li land) OR (ii land)) thinking four ((bonn ein) or (song thin)) ;*.