Perhaps you should try some spelling variations:
start thinking » abstract thinking
thinking john » thinking can, thinking form, thinking four
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
his start » big start, ads start, des start
bonn shin » bonn ein, bonn mein

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 yang) OR (yang guang)) his start thinking john ((bonn shin) OR (song shin)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yang) or (yang guang)) his start thinking john ((bonn shin) or (song shin)) ;*.