Perhaps you should try some spelling variations:
wang tan » wang yan, wang dan, wang tao
wang ban » wang yan, wang dan, wang yang
hua gene » human gene, a gene, hua ren
hong shu » cong shu, tong shui, wong shiu
yan tin » yuan ting, yang jin, yang lin
yang li » yang lin, yang di, yang xi
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 tan) OR (wang ban)) hua gene ((yan tin) or (yang li)) ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan ((wang tan) OR (wang ban)) hua gene ((yan tin) OR (yang li)) ((hong shu) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan ((wang tan) OR (wang ban)) hua gene ((yan tin) or (yang li)) ((hong shu) or (hong yu)) ;*".