Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan ting » yuan ting
wang yong » wang yang, wang hyoung, wang yan
yong wang » hong wang, yong phang, ping wang
ting yang » ying yang, wang yang, yang yang
yi dang » yi gang, yi chang
yi yang » yin yang, yi gang, yu yang

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 yong wang yuhan ting yang ((yi dang) OR (yi yang)) (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong wang yuhan ting yang ((yi dang) or (yi yang)) (hai or hadi) ;*.