Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
yang yang » wang yang, wang yan
gene yang » gene bank
yan wang » qian wang, yan liang, yan zhang
hui gene » hy5 gene, i gene, iii gene
kim song » kim young, kim eung
li hong » le hong, li cong, li rong

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yan wang) OR (yuan wang))) OR (yang yang)) hui gene yang ((li hong) OR (kim song)) seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yan wang) OR (yuan wang))) or (yang yang)) hui gene yang ((li hong) or (kim song)) seo ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((((yan wang) OR (yuan wang))) or (yang yang)) hui gene yang ((li hong) or (kim song)) seo ;*.