Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
yuan ring » yuan ming, yuan ting, yuan kang
ring data » using data, being data, doing data
wang yang » wang yan, wang liang, wang yanling
hua gene » a gene, hua ren, hy5 gene
long seo » hong seo, long ago, long des

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: yuan ring data ((hua gene) OR (human gene)) wang yang ((long seo) OR (cong shu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan ring data ((hua gene) OR (human gene)) wang yang ((long seo) or (cong shu)) ;~".
• Adding a wildcard symbol may retrieve word variants: yuan ring data ((hua gene) OR (human gene)) wang yang ((long seo) or (cong shu)) ;*.