Perhaps you should try some spelling variations:
chen ping » chen rong, chen yang, chen wang
dong sein » dong sin, dong bin, dong wei
wang wei » zhang wei, wang zhi
hui yang » du yang, h yang, hui ping
hui ying » huei ying, hoi ying, hui ping
dann yi » dann bin
yi chen » jui chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sein) or (wang wei)) dann yi chen ping ((hui yang) OR (hui ying)) yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sein) OR (wang wei)) dann yi chen ping ((hui yang) OR (hui ying)) yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong sein) or (wang wei)) dann yi chen ping ((hui yang) OR (hui ying)) yue ;*".