Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan hat » bidan what
gain yang » dan yang, daun yang, tan yang
gong meng » gong gang, gong min
run gain » run pain
yang jin » yang jie, yang jun, ying jin
hong ma » hong a, hong tan, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan hat run gain yang jin ((hong ma) or (gong meng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan hat run gain yang jin ((hong ma) OR (gong meng)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan hat run gain yang jin ((hong ma) or (gong meng)) ;*.