Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
gene yang » gene bank
iii gene » iii rene, iii gender, iii genome
yang kim » yong kim, kang kim, hyung kim
kim song » kim young, kim eung
song ghi » hong ghi, song shin, song li

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 ((yang yang) OR (wang liang)) iii gene yang kim song ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yang) or (wang liang)) iii gene yang kim song ghi ;*.