Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
yang yang » wang yang, wang yan
gene sang » lee sang, gene bank
sang minh » kang minah, anh minh, song min
cong van » congo can, duong van, cong sun
3 human » 2 human
von seo » von see, von seu, von sex
yang 3 » yang _, yang 8, gang 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang 3 human gene sang minh ((((von seo) OR (cong shu))) OR (cong van)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang 3 human gene sang minh ((((von seo) OR (cong shu))) OR (cong van)) ;".
• Adding a wildcard symbol may retrieve word variants: yang yang 3 human gene sang minh ((((von seo) OR (cong shu))) OR (cong van)) ;*.