Keyword For Scraping : Long Tail Keywords VS General Keywords

So,what is the best for scraping list for GSA?long tail keywords or general keywords(basically around one or two words each).
Anybody can help?

@ozz

Scrapebox or look at posts by @ozz as he shows you to do a random search instead of kw

can u tell me which post?i can't find it..

a google for below may help to find various ozz post on this topic

keyword ozz site:forum.gsa-online.de