Perhaps you should try some spelling variations:
thinking four » thinking form, thinking about, thinking aloud
lan thinking » lean thinking, can thinking, a thinking
wang wang » wang yang, wang liang, wang yong
bonn mein » bonn ein
qiang li » liang li, qiang niu, ling li
song min » song ming, gong min, jong min
li lan » lai lan, li lin, li nan

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) OR (wang yan)) qiang li lan thinking four ((bonn mein) OR (song min)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yan)) qiang li lan thinking four ((bonn mein) or (song min)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang yan)) qiang li lan thinking four ((bonn mein) or (song min)) ;*.