Perhaps you should try some spelling variations:
ren xiaodong » lin xiaodong, wang xiaodong, du xiaodong
hong cheng » hong sheng, ong cheng, hoong chang
zong cheng » ong cheng, dong sheng, hong sheng
weng fang » jing fang, wen wang
wen tang » wen wang, en tant
jie dang » jie zhang, vie dans, bie dans

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

• Performing a fuzzy search may retrieve terms with similar spellings: ren xiaodong ((hong cheng) or (zong cheng)) ((wen tang) OR (weng fang)) jie dang (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ren xiaodong ((hong cheng) OR (zong cheng)) ((wen tang) OR (weng fang)) jie dang (hai OR hadi) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ren xiaodong ((hong cheng) or (zong cheng)) ((wen tang) OR (weng fang)) jie dang (hai or hadi) ;*".