Perhaps you should try some spelling variations:
xiliang zhang » xiang zhong, xiulan zhang
chen xiliang » chen liming
gong hui » tong hui, tong shui, gong si
wang hui » wang hua, wang zhi, wang wei
hong ng » hong kong, hong jong, hong hong
dong di » dong sin
un chen » yun chen, n chen, un chemin
y un » y und, y sun, _ un

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang yan) or (hong ng))) or (dong di)) y un chen xiliang zhang ((gong hui) OR (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yan) OR (hong ng))) OR (dong di)) y un chen xiliang zhang ((gong hui) OR (wang hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang yan) or (hong ng))) or (dong di)) y un chen xiliang zhang ((gong hui) OR (wang hui)) ;*".