Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
young jean » young men, young eun, young man
wang yang » wang yan, wang liang, wang yanling
guang hui » chuang hui, wang hui, gang hu
yang john » young john, king john, yang jin
wong sam » wong sau, wong lai, kong sar

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang guang hui irene ((yang john) OR (young jean)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang guang hui irene ((yang john) or (young jean)) wong sam ;*.