Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
dong yang » dong hoang, wang yang, yang yang
yuan wang » yan wang, yuan kang, yuan chang
ting hong » tan hong, hong hong, eng hong
tin hong » tan hong, kia hong, thi hong
yang ka » yang fan, yang yao
ka yuan » ka chuan, yan yuan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang ka yuan wang yuhan ((ting hong) or (tin hong)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ka yuan wang yuhan ((ting hong) OR (tin hong)) ghi ;*.