Perhaps you should try some spelling variations:
john ngosong » john song
yang guang » yang liang
yang yang » wang yang, wang yan
weng john » wong john, wrong john, king john
yan guan » gan guan, yan yuan, yihan guan
ren weng » den weg
hua ren » hua chen
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: lang ((((yang guang) or (yang yang))) or (yan guan)) hua ren weng john ngosong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((yang guang) OR (yang yang))) OR (yan guan)) hua ren weng john ngosong sam ;.
• Adding a wildcard symbol may retrieve word variants: lang ((((yang guang) or (yang yang))) or (yan guan)) hua ren weng john ngosong sam ;*.