Perhaps you should try some spelling variations:
gene song » gene one
duong van » cong van, duong anh
xi human » ii human, 2 human, 3 human
song min » song ming, gong min, jong min
cong sun » cong shu, cong van, wing sun
i human » 2 human, 3 human, 1 human
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling ((xi human) OR (i human)) gene song min ((cong sun) or (duong van)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((xi human) OR (i human)) gene song min ((cong sun) OR (duong van)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((xi human) OR (i human)) gene song min ((cong sun) or (duong van)) ;*".