Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan fei » yuan fei, han fei, yan fei
hong than » hong tan, long thanh, hong hai
liang li » ling li, qiang li, liang wei
wang lin » wang li, wang qin, wang limin
yang lin » yang jin, yang liang, huang lin
yu chen » yu cheng, yi chen, yulu chen
yang li » yang di, yang xi, yang yi

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 yuhan fei yu chen ((liang li) OR (((yang li) OR (((wang lin) OR (yang lin)))))) hong than ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan fei yu chen ((liang li) or (((yang li) or (((wang lin) OR (yang lin)))))) hong than ;~".
• Adding a wildcard symbol may retrieve word variants: wang yuhan fei yu chen ((liang li) or (((yang li) or (((wang lin) OR (yang lin)))))) hong than ;*.