Perhaps you should try some spelling variations:
den xiaoyang » deng xiaoping, shen xiaofang, tang xiaoyang
hang china » han china, change china, ghana china
tang chia » tan chia, tang chun, wang chi
wei wang » wei yang, wen wang, wei shang
wang jin » wang jing, yang jin, wang jun
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 chia) or (hang china)) wei wang jin data (hai or hari) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: den xiaoyang ((tang chia) OR (hang china)) wei wang jin data (hai OR hari) ;*.