Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
hua rent » hua ren
rent yan » ren yan, rent a
wong sau » wong sam, wong siu, wong shiu
yan hua » tan hua, ya hua, wang hua
yan min » han min, kan min, yang mind
long yu » hong yu, long du, rong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang yan hua rent yan min ((wong sau) or (long yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang yan hua rent yan min ((wong sau) OR (long yu)) ;.
• Adding a wildcard symbol may retrieve word variants: yuan wang yan hua rent yan min ((wong sau) or (long yu)) ;*.