Perhaps you should try some spelling variations:
wang liang » wang yang
liang tuan » liang tan, jiang juan, liang dan
wong john » wrong john, kong john, longo john
kong star » kong sar
tuan hua » tan hua, tuan vu, yuan hui
ren wong » ren weng
hua ren » hua chen
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 liang tuan hua ren wong john ((von sap) OR (kong star)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang tuan hua ren wong john ((von sap) or (kong star)) ;*.