Perhaps you should try some spelling variations:
yan clan » das clan, yan guan, yan yuan
hua gene » human gene, a gene, hua ren
pang jun » yang jui
kong siu » kong eiu, wong siu, dong sin
yan fan » yang fan, yan guan, yan wang
yang xi » yang di, yang yi, yang jui
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan fan) or (yan clan)) hua gene ((pang jun) or (yang xi)) kong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan fan) OR (yan clan)) hua gene ((pang jun) OR (yang xi)) kong siu ;*.