Synonym search failure

gistfile1.txt

curl -XDELETE 'http://localhost:9200/syntest/'

curl -XPOST localhost:9200/syntest -d '{
    "settings" : {
        "number_of_shards" : 1,
       "analysis" : {
              "analyzer": {
                     "syntest_analyzer":{"type":"custom","tokenizer":"standard","filter":["standard", "lowercase", "syntest_synonym", "stop", "english_snowball"]}, 
                     "syntest_analyzer_nosyn":{"type":"custom","tokenizer":"standard","filter":["standard", "lowercase", "stop", "english_snowball"]}, "dr_no_syn" : {"type":"custom","tokenizer":"standard","filter":["standard", "lowercase", "stop", "english_snowball"]}
              },
              "filter":
                     {
                  "syntest_synonym":{"type":"synonym","synonyms" : ["Gardasil,human papilloma virus vaccine,Cervarix"],"ignore_case":true,"expand":true, "tokenizer":"standard"},
                  "english_snowball":{"type":"snowball","language" : "English"}
              }
       }
    },
    "mappings" : {
        "syntest" : {
            "properties" : {
                "name" : { "type" : "string", "omit_norms" : true, "include_in_all" : false, "index_analyzer" :  "syntest_analyzer", "search_analyzer" :  "syntest_analyzer_nosyn", "term_vector" : "with_positions_offsets"}
            }
        }
    }
}'


curl -XPUT 'http://localhost:9200/syntest/syntest/1' -d '{
    "name" : "DrugProfile - Gardasil - Vaccines/DecisionResourcesView"
}'

curl -XGET http://localhost:9200/syntest/_search?pretty=True -d ' {
"from":0,"size":10,"query":{"query_string":{"query":"((((name:(vaccines)) )))","default_operator":"or"},"fields":["_source.name"],"highlight":{"pre_tags":["<Highlight>"],"post_tags":["</Highlight>"],"fields":{"name":{"fragment_size":300,"number_of_fragments":1,"fragment_offset":100}}}}'