Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
get cheng » hew cheng, ke cheng
doing 2.3 » doing 2.2.3, being 2.3, doing 3.4
zhang wei » zhen wei
kong lyn » kong land, kong lee
ding 2.3 » dinge 2.3, ring 2.3, wing 2.3
gene get » gene set, gene gene, gene sets
wang » wing, wan, lang

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 ((kong lyn) OR (((ding 2.3) OR (doing 2.3)))) gene get cheng zhang wei ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((kong lyn) or (((ding 2.3) OR (doing 2.3)))) gene get cheng zhang wei ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((kong lyn) or (((ding 2.3) OR (doing 2.3)))) gene get cheng zhang wei ;*.