Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene sang » lee sang, gene bank
sang minh » kang minah, anh minh, song min
hua gene » human gene, a gene, hua ren
cong seo » hong seo, cong shu, von seo
cong sun » cong shu, cong van, wing sun
yang yi » yang di, yang xi, yang jui
yi hua » li hua, ya hua, yi hui

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 yi hua gene sang minh ((cong seo) OR (cong sun)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang yi hua gene sang minh ((cong seo) OR (cong sun)) ;".
• Adding a wildcard symbol may retrieve word variants: yang yang yi hua gene sang minh ((cong seo) OR (cong sun)) ;*.