Perhaps you should try some spelling variations:
thinking four » thinking form, thinking about, thinking aloud
yang qiang » yang liang, wang liang, yang yang
a thinking » 1 thinking, 3 thinking, re thinking
wang yang » wang yan, wang liang, wang yanling
song sein » song shin, song jin, song min
qiang li » liang li, qiang niu, ling li
bonn ein » bonn mein, bonn die, bonn iii
kann ein » kann eine, kann die, kann man
li a » lit a, lie a, ali a

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 yang qiang li a thinking four ((((bonn ein) OR (kann ein))) OR (song sein)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang qiang li a thinking four ((((bonn ein) or (kann ein))) or (song sein)) ;*.