Perhaps you should try some spelling variations:
chen gong » chen rong, chen yang, chen ping
dong sein » dong sin, dong bin, dong wei
chen yong » chen rong, chen yang, zhen yong
wang wei » zhang wei, wang zhi
hui yang » hui ying, du yang, h yang
yang yue » wang yue, yang yun, yang jui
dann yu » wann yu

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 yu ((chen gong) OR (chen yong)) hui yang yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sein) OR (wang wei)) dann yu ((chen gong) OR (chen yong)) hui yang yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong sein) or (wang wei)) dann yu ((chen gong) OR (chen yong)) hui yang yue ;*".