Perhaps you should try some spelling variations:
der sirene » der strenge, der sinne, der szene
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
yang der » gang der, yang dean, klang der
yang lin » yang jin, wang lin, yang li
wong siu » wong shiu, kong siu, wong sau
wang li » wang lei, wang lin, tang li

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ying yang der sirene ((yang lin) or (wang li)) wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying yang der sirene ((yang lin) OR (wang li)) wong siu ;*.