Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
han china » hang china, than china, can china
tan chia » than china, can china, dan china
wei yang » pei yang, wei wang, wei yang's
yang jin » yang jie, yang jun, ying jin
jin data » main data, own data, von data
deng » den, eng, dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: deng xiaoping ((((tan chia) OR (tuan china))) or (han china)) wei yang jin data (hai or hari) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: deng xiaoping ((((tan chia) OR (tuan china))) OR (han china)) wei yang jin data (hai OR hari) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "deng xiaoping ((((tan chia) OR (tuan china))) or (han china)) wei yang jin data (hai or hari) ;*".