Perhaps you should try some spelling variations:
gene clone » gene one
clone half » one half
yang muxi » yang xi, yang hui, yang mu
wan wang » wen wang, yan wang, wang yang
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew

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: wan wang ((yang muxi) OR (yang jui)) gene clone half ((wong sau) OR (wong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wan wang ((yang muxi) or (yang jui)) gene clone half ((wong sau) or (wong siu)) ;*.