Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
hua rene » hua ren, juan rene
yang jin » yang jie, yang jun, ying jin
wong sau » wong sam, wong siu, wong shiu
yan yan » yan yuan, nan yan, yang yang
yan hua » tan hua, ya hua, wang hua
yan jiu » yang jie, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan yan hua rene ((yan jiu) or (yang jin)) wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan yan hua rene ((yan jiu) OR (yang jin)) wong sau ;*.