Perhaps you should try some spelling variations:
die sirene » der sirene, die silent, die szene
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
di irene » di erence, _ irene, di atene
hong sau » wong sau, hong paul, kong sar
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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 yang ((di irene) OR (die sirene)) ((yang xi) OR (yang yi)) hong sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yang ((di irene) or (die sirene)) ((yang xi) or (yang yi)) hong sau ;*.