4 models of corrections searching

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
4 models of corrections	`0.17`	`0.9`	`5710`	40	24
4	`0.04`	`0.6`	`7790`	35	1
models	`0.39`	`0.9`	`3804`	53	6
of	`0.45`	`0.1`	`975`	86	2
corrections	`1.78`	`0.5`	`8021`	28	11

Keyword	CPC	PCC	Volume	Score
4 models of corrections	0.32	0.3	4780	44