Perhaps you should try some spelling variations:
yuan fees » yuan fei
fees rent » des rent, fees re
yan yuan » yan guan, fang yuan, nan yan
yang jie » yang jin, yang di, yang jui
yang jun » yang jui, pang jun, yang jin
wong sam » wong lai, kong sar, von sam
wong sau » wong siu, wong shiu, wong lai
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 yan yuan fees rent ((yang jie) OR (yang jun)) ((wong sam) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yuan fees rent ((yang jie) or (yang jun)) ((wong sam) OR (wong sau)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan yuan fees rent ((yang jie) or (yang jun)) ((wong sam) OR (wong sau)) ;*.