ElasticSearch with stemming

gistfile1.js

metadata: {
    templates: { }
    indices: {
        test_index: {
            state: open
            settings: {
                index.analysis.filter.snowball.language: English
                index.analysis.analyzer.search_analyzer.filter.0: lowercase
                index.analysis.analyzer.search_analyzer.filter.1: snowball
                index.analysis.analyzer.index_analyzer.filter.0: lowercase
                index.analysis.filter.snowball.type: snowball
                index.analysis.analyzer.search_analyzer.tokenizer: nGram
                index.analysis.analyzer.index_analyzer.tokenizer: nGram
                index.analysis.analyzer.index_analyzer.filter.1: snowball
                index.number_of_shards: 5
                index.number_of_replicas: 1
            }
            mappings: {
                test_item: {
                    properties: {
                        title: {
                            store: yes
                            analyzer: standard
                            term_vector: with_positions_offsets
                            type: string
                        }
                        description: {
                            store: yes
                            analyzer: standard
                            term_vector: with_positions_offsets
                            type: string
                        }
                        link: {
                            type: string
                        }
                    }
                }
            }
            aliases: [ ]
        }
    }
}

curl -XGET 'http://localhost:9200/_search?pretty=true' -d '
{
    "highlight": {
        "tags_schema": "styled",
        "fields": {
            "title": {
                "number_of_fragments": 0
            },
            "description": {
                "number_of_fragments": 0
            }
        }
    },
    "query": {
        "query_string": {
            "fields" : ["title", "description"],
            "query" : "apple" /* finds entries with "apple", a search with "apples" doesn't work */
        }
    }
}'