Perhaps you should try some spelling variations:
den xiaoping » deng xiaoping, wang xiaoping, _ xiaoping
wuhan ching » wuhan china
kyung yeon » kyung joon, seung yeon
chang hari » chang ha, chang part
ching lee » ching leo, ching hea, china led
shang hai » shang kai, dang hai, chang ha

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 wuhan ching lee kyung yeon ((chang hari) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: den xiaoping wuhan ching lee kyung yeon ((chang hari) OR (shang hai)) ;*.