Perhaps you should try some spelling variations:
qiao tan » qian yan, jiao yan, qiao sen
hua rent » hua ren
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
tan hua » tuan hua, wang hua, tan chia
yan jiu » yang jie, pang jiu
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang qiao tan hua rent ((yan jiu) OR (((yang jin) OR (yang jun)))) ((wong sau) OR (wong siu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang qiao tan hua rent ((yan jiu) or (((yang jin) or (yang jun)))) ((wong sau) OR (wong siu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang qiao tan hua rent ((yan jiu) or (((yang jin) or (yang jun)))) ((wong sau) OR (wong siu)) ;*.