Help!! New to all this. Looking for sister.

I'am looking for my half sister. I know information as to what year she was born, where and what month. I know her birth name, her birth mothers name and birth fathers name, the mothers date of birth and both of their jobs at the time. I don't know anything about the adoption itself though, as to where and through who it took place. I have posted on a lot of reunion sites, but other than that, what can I do. I would like to be actively be doing something. Please if you know any tricks of the trade please share info with me of have any idea's in regards to the search, please help