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
yang yao » wang yan, yang yi, yang fan
hua gene » human gene, a gene, hua ren
cong seo » hong seo, cong shu, cong sun
yang ya » yang yi, yang ka, yang y

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang ya) or (((yang yao) OR (yang yang))))ng ya hua gene sang minh cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang ya) OR (((yang yao) OR (yang yang))))ng ya hua gene sang minh cong seo ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang ya) or (((yang yao) OR (yang yang))))ng ya hua gene sang minh cong seo ;".
• Adding a wildcard symbol may retrieve word variants: ((yang ya) or (((yang yao) OR (yang yang))))ng ya hua gene sang minh cong seo ;*.