Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
yang yang » wang yang, wang yan
gene yang » gene bank
yang jun » yang jui, pang jun, yang jin
jin song » jie song, john song, jin ying
kim song » kim young, kim eung
yang ka » yang fan, yang yao

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((yang ka) or (((yang jun) or (yang yang)))) human gene yang ((jin song) OR (kim song)) shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang ka) OR (((yang jun) OR (yang yang)))) human gene yang ((jin song) OR (kim song)) shiu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((yang ka) or (((yang jun) or (yang yang)))) human gene yang ((jin song) OR (kim song)) shiu ;".
• Adding a wildcard symbol may retrieve word variants: dong ((yang ka) or (((yang jun) or (yang yang)))) human gene yang ((jin song) OR (kim song)) shiu ;*.