Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang wang » wang yang, wang liang, wang yan
yuhan fei » yuan fei, han fei, yan fei
fei tong » hui tong, lee tong
yang lin » yang jin, yang liang, huang lin
wang lin » wang li, wang qin, wang limin
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 wang yuhan fei tong ((yang li) OR (((yang lin) OR (wang lin)))) dang (hai OR hadi) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yuhan fei tong ((yang li) or (((yang lin) OR (wang lin)))) dang (hai or hadi) ;~".
• Adding a wildcard symbol may retrieve word variants: wang wang yuhan fei tong ((yang li) or (((yang lin) OR (wang lin)))) dang (hai or hadi) ;*.