Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang tan » wang yan, wang ban, wang dan
hua gene » human gene, a gene, hua ren
yang tin » yang jin, yang jing, yang mind
yang lin » yang jin, wang lin, yang li
tan hua » tuan hua, wang hua, tan chia
hong yu » wong yue

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang tan hua gene ((yang tin) OR (yang lin)) hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: yuan wang tan hua gene ((yang tin) OR (yang lin)) hong yu ;*.