Perhaps you should try some spelling variations:
china data » china update, chinese data
wang yong » wang hyoung, wang yan, wang shiyong
wang yang » wang yan, wang liang, wang yanling
han china » hang china, than china, can china
data jing » data using, data going
dang hari » dang hai
jing ji » ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yong) or (wang yang)) han china data jing ji dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yong) OR (wang yang)) han china data jing ji dang hari ;*.