Open source text search engine searching

Top keyword related from Search Engine of open source text search engine

Keyword	CPC	PCC	Volume	Length string	Score
open source text search engine	0.17	0.7	7649	30	48
open source full text search engine	0.05	0.5	4234	35	13
open source full-text search engine	1.4	0.2	3929	35	43
open source full text search	0.68	0.1	949	28	48
open source search engine	0.47	0.7	4088	25	74
open source software search engine	0.19	1	8148	34	52
open source web search engine	0.02	0.3	4916	29	32
open source code search engine	0.71	0.9	4798	30	19
text based search engine	1.26	0.3	5431	24	3
open source document search engine	1.75	0.5	712	34	39
text only search engine	0.49	1	7334	23	97
full text search engine	0.89	0.6	2113	23	1
free open source search engines	1.42	0.2	7374	31	2

Top URL related to open source text search engine