Perhaps you should try some spelling variations:
chen zheng » chen zhen, chen aizheng, cheng zhang
zheng wei » zhen wei, zhang wei, zheng lei
wing yan » wang yan, wing ian, wing tan
kong lyn » kong land, kong lee
ding 2.3 » dinge 2.3, doing 2.3, ring 2.3
gene one » gene clone, gene gene, none one
gene we » gene w, gene set

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: wing yan ((kong lyn) OR (ding 2.3)) ((gene one) OR (gene we)) chen zheng wei ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((kong lyn) or (ding 2.3)) ((gene one) OR (gene we)) chen zheng wei ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan ((kong lyn) or (ding 2.3)) ((gene one) OR (gene we)) chen zheng wei ;*.