Perhaps you should try some spelling variations:
wang xueman » wang xuan
wang human » wang hua, facing human, owning human
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
bone dang » bone diane
dang thi » dang hai
thi hong » tan hong
hong yu » wong yue

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 yang) OR (yang yang)) ((wang human) OR (wang xueman)) bone dang thi hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (yang yang)) ((wang human) OR (wang xueman)) bone dang thi hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang yang)) ((wang human) OR (wang xueman)) bone dang thi hong yu ;*.