Keyword Analysis & Research: why can't i open my document files

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why can't i open my document files	1.3	0.1	6335	94	34
why	0.23	0.1	2606	38	3
can't	0.8	0.2	9217	82	5
i	0.92	0.8	4690	79	1
open	0.4	0.4	4934	87	4
my	0.99	0.7	5315	30	2
document	1.04	0.4	6331	26	8
files	0.87	0.6	6885	54	5

Keyword	CPC	PCC	Volume	Score
why can't i open my document files	1.09	0.3	7151	23