Perhaps you should try some spelling variations:
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
gene bank » gene banks, one bank, genomen bank
tin hong » tan hong, kia hong, thi hong
lin zong » lin ling, lin meng
wang i » wang di, wang li, wang _
i gene » _ gene, a gene, e gene

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) or (wang yang)) wang i gene bank ((tin hong) or (lin zong)) seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang yang)) wang i gene bank ((tin hong) OR (lin zong)) seo ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang yang)) wang i gene bank ((tin hong) or (lin zong)) seo ;*.