Multi Level nested search by using NEST API

I am having trouble to make multi level nested query by using NEST API.
Here is my mapping.

{
"log": {
"mappings":{
"LogEvent": {
"properties":{

"@timestamp":{"type":"date","store":true,"format":"yyyy-MM-dd'T'HH:mm:ss"},
"records":
{"type":"nested","properties":{

"eventtype" : {"type":"string","store":true},

"detail":{"type":"string","store":true},

"others":{

"type":"nested","properties":{

"ScrubbedContent":{"type":"string","store":true},

"RawContent":{"type":"string","store":true}

}

}
} } }
}
}

And here is the query that works

{
"from": 0,
"size": 1,
"query": {
"filtered": {
"filter": {
"and": {
"filters": [
{
"range": {
"@timestamp": {
"gte": "2015-02-12T02:37:32",
"lte": "2015-02-19T02:37:32"
}
}
},
{
"nested": {
"filter": {
"terms": {
"records.eventtype": "myeventtype"
}
},
"path": "records"
}
}
]
}
}
}
}
}

But if I change "path": "records" to "path": "records.others", no result
returned. I am pretty sure I should have results for it.

Any thought why?

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