Perhaps you should try some spelling variations:
longo john » kong john, wong john
wang yang » wang yan, wang liang, wang yanling
kong sara » kong sar
wang dan » wang yan, wang ban, wang yidan
tan hua » tuan hua, wang hua, tan chia
hua ren » hua chen
von sam » von sa, von sap, von scham

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) OR (wang dan)) tan hua ren longo john ((von sam) OR (kong sara)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang dan)) tan hua ren longo john ((von sam) or (kong sara)) ;*.