Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang wang » wang yang, wang liang, wang yan
lia chong » lim chong, kia hong
chong yun » chang yun, hong yu, chen yun
kian lia » kian wie, tian li
di rene » dr rene, i rene, ii rene
erence » terence, terrence

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: wang wang yuhan ((((di rene) OR (di rete))) OR (di erence)) kian lia chong yun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yuhan ((((di rene) OR (di rete))) or (di erence)) kian lia chong yun ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang yuhan ((((di rene) OR (di rete))) or (di erence)) kian lia chong yun ;*.