Perhaps you should try some spelling variations:
xiaoping tan » xiaoyang tang, xiaoping _, xiaoping shi
xiaoping how » mapping how, xiaoping _, xiaoping shi
xiaojing a » xiaoping _, xiaojing part
yang main » yang fan, yang jin, yang lin
chia wei » chia wen, chen wei, hua wei
wei yang » pei yang, wei wang, wei yang's

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) OR (xiaoping how))) or (xiaojing a)) chia wei yang main data (hai or hari) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: den ((((xiaoping tan) OR (xiaoping how))) OR (xiaojing a)) chia wei yang main data (hai OR hari) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "den ((((xiaoping tan) OR (xiaoping how))) or (xiaojing a)) chia wei yang main data (hai or hari) ;*".