Mainly related to the owner who posted this message: 公布：The object of this word can be a company, authority, school, etc. that has released a bit formal message.出版：Mainly refers to publications, articles, books, etc. being published. 搞 and 做 :Both of this words main doing the thing.But 做 it's a formal expression. As a Chinese,I find it so hard to explain the difference between colloquial words.Especially for people like me who are not very good at expressing themselves in English.

公布：着重指向公众发布。公布者除了高级领导机关或成员外，还可以是一般机关单位、团体。公布的内容，除了法令等以外，还可以是方案、草案、名单、账目、成绩、结果、数字、事实等。 例句:今天报纸公布了关于扩大高考招生人数的最新决定。 出版 : 把书刊、图画等编印出来；把音像制品等制作出来。 例句: 他这部苦心经营多年的长篇小说，终于出版了。