Perhaps you should try some spelling variations:
yan yuhan » yan yuan, wang yuhan, yan guan
yuhan fei » yuan fei, han fei, yan fei
tong yang » dong yang, wang yang, yang yang
fei tong » hui tong, lee tong
yang li » yang lin, yang di, yang xi
li dang » le dang, li gang, li wang
wang » wing, wan, lang

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 yan yuhan fei tong yang li dang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan yuhan fei tong yang li dang (hai or hadi) ;*.