Perhaps you should try some spelling variations:
gene yang » gene bank
wang dan » wang yan, wang ban, wang yidan
dan yang » daun yang, tan yang, wang 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

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

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