Perhaps you should try some spelling variations:
gong meng » gong gang
wing tan » wing ian, liang tan, hong tan
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin
gong min » jong min, song min, song ming
tan hai » tan kai, dang hai
hai run » hai ren, vari run
run tan » run gain, run pain

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

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