Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan
yang liang » wang liang, yan liang, yang yang
yang john » young john, king john, yang jin
john wong » john song, john bonn
yan yuan » yan guan, fang yuan, nan yan
dan yang » daun yang, tan yang, wang yang
wong sam » wong sau, wong lai, kong sar
hua dan » hua ban

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 liang))) or (yan yuan)) hua dan yang john wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((yang guang) OR (yang liang))) OR (yan yuan)) hua dan yang john wong sam ;.
• Adding a wildcard symbol may retrieve word variants: lang ((((yang guang) or (yang liang))) or (yan yuan)) hua dan yang john wong sam ;*.