Perhaps you should try some spelling variations:
liang tan » liang dan, liang sun, wing tan
sang minh » kang minah, anh minh, song min
hong jong » hong kong
tan yong » tan hong, tan kong, tan yang
jie sang » jie song, jie zhang, lee sang
yong li » song li, yang li, yong kim
hong ng » hong kong, hong hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: liang tan yong li jie sang minh ((hong ng) or (hong jong)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: liang tan yong li jie sang minh ((hong ng) OR (hong jong)) ;*.