Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
irene yan » irene a, ren yan
di irene » die sirene, di erence, _ irene
wong sau » wong sam, wong siu, wong shiu
yan jiu » yang jie, yang jin, pang jiu
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yang yang di irene yan jiu ((wong sau) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang yang di irene yan jiu ((wong sau) OR (kong sar)) ;.
• Adding a wildcard symbol may retrieve word variants: lang yang yang di irene yan jiu ((wong sau) or (kong sar)) ;*.