Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
ying hua » ming hua, wang hua, ying zhu
wang wei » zhang wei, wang zhi
yang jin » yang jie, yang jun, ying jin
jin wong » jin song, john wong, jin ying
wong yue » wang yue, hong yu
wang he » wang hua, wang zhi, wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan kang ((ying hua) or (((wang he) or (wang wei)))) (ren or rent) yang jin wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan kang ((ying hua) OR (((wang he) OR (wang wei)))) (ren OR rent) yang jin wong yue ;.
• Adding a wildcard symbol may retrieve word variants: yuan kang ((ying hua) or (((wang he) or (wang wei)))) (ren or rent) yang jin wong yue ;*.