Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
hua irene » hua ren
zhang jin » zhang jian, zhang jing, shang jin
yang hua » wang hua, yang hui, ying hua
jin wong » jin song, john wong, jin ying
wong sam » wong sau, wong lai, kong sar

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) or (yang yang)) yang hua irene zhang jin wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang yang) OR (yang yang)) yang hua irene zhang jin wong sam ;*.