Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yuan wang » yan wang, yuan kang, yuan chang
gene long » gene clone, gene one
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
han kong » tan kong, hong kong, chan kang
nan kong » tan kong
sar » sara, star, saur

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

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