Perhaps you should try some spelling variations:
gene yang » gene bank
yan yang » yang yang, yao yang, dan yang
yang iii » klang iii, yang zili, zwang iii
iii gene » iii rene, iii gender, iii genome
kim song » kim young, kim eung
li song » li cong, li rong, jie song
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan yang iii gene yang ((li song) or (kim song)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yang iii gene yang ((li song) OR (kim song)) ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang yan yang iii gene yang ((li song) or (kim song)) ghi ;*.