Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
hua gene » human gene, a gene, hua ren
yang lin » yang jin, wang lin, yang liang
hong shu » cong shu, tong shui, wong shiu
yan hua » tan hua, ya hua, wang hua
yan tin » yuan ting, yang jin
yang li » yang di, yang xi, yang yi
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang yan hua gene ((((yan tin) OR (yang lin))) or (yang li)) ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang yan hua gene ((((yan tin) OR (yang lin))) OR (yang li)) ((hong shu) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang yan hua gene ((((yan tin) OR (yang lin))) or (yang li)) ((hong shu) or (hong yu)) ;*".