Perhaps you should try some spelling variations:
zhang yan » zhang fan, zhang jian, wang yan
lang yan » wang yan, wang yang, yang yang
hua rene » hua ren, juan rene
rene yan » ren yan, rene ten, see yan
yong sau » wong sau, kong sar, wong sam
yan hua » tan hua, ya hua, wang hua
yan jim » yan jiu, yang jie, yang jin

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) OR (zhang yan)) yan hua rene yan jim yong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (zhang yan)) yan hua rene yan jim yong sau ;*".