Perhaps you should try some spelling variations:
john ngosong » john song
liang yang » liang ying, wang yang, yang yang
mun young » ju young, cyn young
yun young » ju young
yang lin » yang jin, wang lin, yang liang
yang li » yang di, yang xi, yang yi
sam » same, sham, syam

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

• Performing a fuzzy search may retrieve terms with similar spellings: liang yang ((yang lin) OR (yang li)) ((mun young) or (yun young)) john ngosong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: liang yang ((yang lin) OR (yang li)) ((mun young) OR (yun young)) john ngosong sam ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "liang yang ((yang lin) OR (yang li)) ((mun young) or (yun young)) john ngosong sam ;*".