hasimsg - 8:24 pm on Feb 26, 2010 (gmt 0)
In the case of: kw1 kw2 kw3
the page #1 result also show the keywords in back order (kw3 kw2 kw1). I guess that's why the total result were so many pages.
I've noticed that three keywords serp behavior because those words happen to have meaning even in reverse order.