Perhaps you should try some spelling variations:
dong sink » dong bin, dong ping
gene tang » gene bank
hua gene » human gene, a gene, hua ren
li hong » li cong, li rong, li song
le hong » law hong, sek hong, xie hong
wang » wing, wan, lang
sink » signk, sindk, skink
sin » sign, sind, skin

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 yan) OR (((dong sink) OR (dong sin)))) ya hua gene tang ((li hong) OR (le hong)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (((dong sink) OR (dong sin)))) ya hua gene tang ((li hong) or (le hong)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (((dong sink) OR (dong sin)))) ya hua gene tang ((li hong) or (le hong)) shu ;*.