Perhaps you should try some spelling variations:
xiaoyang tang » xiaoyan deng
den xiaoyang » deng xiaoping, shen xiaofang, tang xiaoyang
tang chen » kang chen, tang chun, chang chen
wei ying » wei yiming, wei qiang, huei ying
wei yang » pei yang, wei wang, wei yang's
wei ming » wei yiming, wei qiang, ie ming
jin data » main data, own data, von data

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

• Performing a fuzzy search may retrieve terms with similar spellings: den xiaoyang tang chen ((((wei ying) OR (wei yang))) or (wei ming)) jin data (hai or hari) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: den xiaoyang tang chen ((((wei ying) OR (wei yang))) OR (wei ming)) jin data (hai OR hari) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "den xiaoyang tang chen ((((wei ying) OR (wei yang))) or (wei ming)) jin data (hai or hari) ;*".