Perhaps you should try some spelling variations:
congo shu » cong shu
hua gene » human gene, a gene, hua ren
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang xi, yang yi
yang jui » yang judy, yang di, yang xi
yan yan » yan yuan, nan yan, yang yang
yan hua » tan hua, ya hua, wang hua
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 yan hua gene ((((yang jin) or (yang jie))) or (yang jui)) congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yan hua gene ((((yang jin) OR (yang jie))) OR (yang jui)) congo shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yan yan hua gene ((((yang jin) or (yang jie))) or (yang jui)) congo shu ;*.