[yesenadam]

I never had that problem..but can recommend Polya's unique How To Solve It, which deserves its high reputation, and might be helpful.

But which particular domain(s) are you talking about?

[oberver]

Thanks for the book recommendation.

Not any specific domain but I was mainly looking for ideas/perspectives on how people think about and approach problems in general. This would be useful for me when I am on to something new (at least for me) and test out different approaches when I hit the wall or feel stuck.