Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yang yang » wang yang, wang yan
yang jin » yang jie, yang jun, ying jin
yang lin » wang lin, yang li, yang liang
wong yue » hong yu
wang yue » wang hua, wang yan, wang he
dan hua » tan hua, wang hua, dong hua
hua ren » hua chen

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yang yang)) dan hua ren ((yang jin) OR (yang lin)) ((wong yue) OR (wang yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yang yang)) dan hua ren ((yang jin) or (yang lin)) ((wong yue) or (wang yue)) ;*.