Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
hua irene » hua ren
wong john » wrong john, kong john, longo john
kong star » kong sar
yang tan » yang fan, yang dean, yang yang
tan hua » tuan hua, wang hua, tan chia
von sap » von sa, von sam, von sach

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 tan hua irene wong john ((von sap) OR (kong star)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang tan hua irene wong john ((von sap) or (kong star)) ;*.