Perhaps you should try some spelling variations:
dong huang » dong hoang, dang hung, dong hua
huang yale » huang fali, huang yang
minh hong » minh cong, min hong, linh hoang
yale hua » yale nus, ya hua
hua gene » human gene, a gene, hua ren
gene yan » gene bank, ren yan, see yan
tin hong » tan hong, kia hong, thi hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong huang yale hua gene yan ((minh hong) or (tin hong)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong huang yale hua gene yan ((minh hong) OR (tin hong)) shu ;*.