Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan hat » bidan what
yang yang » wang yang, wang yan
tan yang » dan yang, tan ying, tan yong
hong hai » shang hai, zhong tai, dang hai
song min » song ming, gong min, jong min
hong ma » hong a, hong tan, wong max

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 ((yang yang) or (tan yang)) jun ((((hong ma) or (hong hai))) or (song min)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan hat run ((yang yang) OR (tan yang)) jun ((((hong ma) OR (hong hai))) OR (song min)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan hat run ((yang yang) or (tan yang)) jun ((((hong ma) or (hong hai))) or (song min)) ;*.