Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
gene tang » gene bank
min jeong » kin keong, mun leong
yang y.c » yang yi, yang yao, yang 4.3
hua gene » human gene, a gene, hua ren
min hong » amin hong, min hyoung, kia hong
tin hong » tan hong, kia hong, thi hong
ma hong » a hong, kia hong, tan hong

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: dong yang y.c hua gene tang ((((((min hong) OR (ma hong))) OR (tin hong))) OR (min jeong)) ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang y.c hua gene tang ((((((min hong) OR (ma hong))) or (tin hong))) or (min jeong)) ghi ;~".
• Adding a wildcard symbol may retrieve word variants: dong yang y.c hua gene tang ((((((min hong) OR (ma hong))) or (tin hong))) or (min jeong)) ghi ;*.