Perhaps you should try some spelling variations:
china chen » china shen, china china, china chang
chan kang » chung kang, chan eng, chan fong
chen dong » chen rong, chen dung, chen yong
kang can » kang ca, kang han, kang chen
wong yue » wang yue, hong yu
dong di » dong sin
wang he » wang hua, wang zhi, wang wei

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

• Performing a fuzzy search may retrieve terms with similar spellings: chan kang can china chen dong di ((wong yue) or (wang he)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chan kang can china chen dong di ((wong yue) OR (wang he)) ;.
• Adding a wildcard symbol may retrieve word variants: chan kang can china chen dong di ((wong yue) or (wang he)) ;*.