Perhaps you should try some spelling variations:
den xiaoping » deng xiaoping, wang xiaoping, _ xiaoping
kyung yeon » kyung joon, seung yeon
chang hari » chang ha, chang part
ching lee » ching hea, china led, ching wen
ching leo » ching hea, china led, ching wen
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) OR (ching leo)) 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) OR (ching leo)) kyung yeon ((chang hari) OR (shang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "den xiaoping wuhan ((ching lee) OR (ching leo)) kyung yeon ((chang hari) or (shang hai)) ;*".