Perhaps you should try some spelling variations:
yang yaong » yang yang, wang yang, wang yong
gene yang » gene bank
min jeong » kin keong, min hong, mun leong
yaong ya » yang yao
tin hong » tan hong, kia hong, thi hong
a gene » a genre, a gender, a gentle
ya a » a a, y a, ye a

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yaong ya a gene yang ((min jeong) or (tin hong)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yaong ya a gene yang ((min jeong) OR (tin hong)) ghi ;.
• Adding a wildcard symbol may retrieve word variants: yang yaong ya a gene yang ((min jeong) or (tin hong)) ghi ;*.