Perhaps you should try some spelling variations:
leong yeon » jeong yeon, seung yeon
yuan ming » kian ming, tuan minh, chan ming
yuan ting » huang ting, yuan kang, yuan lin
mun leong » min jeong
hadi lee » hadi el
lee sang » lee ann
sang mun » sang minh, sang m, sang yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: feng ((yuan ming) or (yuan ting)) hadi lee sang mun leong yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: feng ((yuan ming) OR (yuan ting)) hadi lee sang mun leong yeon ;*.