Perhaps you should try some spelling variations:
logical thinking » critical thinking
china's logical » china's local, china's digital, china's legal
thinking john » thinking can, thinking form, thinking four
dong ping » dong bin, dong jung, dong yang
john gong » john song, john wong, john ogony
gong min » jong min, song min, gong meng

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: ((dong sin) OR (dong ping)) did china's logical thinking john gong min ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (dong ping)) did china's logical thinking john gong min ;*.