Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
hong wang » hong gang, hong kong, hong jong
yang yang » wang yang, wang yan
hua gene » human gene, hua ren, hy5 gene
yang tan » yang fan, yang dean, liang tan
hong yu » wong yue
a gene » a genre, a gender, a gentle

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

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