Perhaps you should try some spelling variations:
den xiaoping » deng xiaoping, wang xiaoping, _ xiaoping
xiaoping tan » xiaoyang tang, xiaojing a, xiaoping _
yang main » yang fan, yang jin, yang lin
tan chia » tuan china, than china, can china
chia wei » chia wen, chen wei, hua wei
yang li » yang lin, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: den xiaoping tan chia wei ((yang main) or (yang li)) data (hai or hari) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: den xiaoping tan chia wei ((yang main) OR (yang li)) data (hai OR hari) ;*.