mongod --setParameter textSearchEnabled=true

db.ad.dropIndexes()
db.ad.ensureIndex( { description: "text", title: "text" } );

db.ad.runCommand("text", { search: "hsjsjd", limit: 20, project: { "price" : 1, "image1": 1 }})
{
	"queryDebugString" : "hsjsjd||||||",
	"language" : "english",
	"results" : [
	{
		"score" : 1.1,
		"obj" : {
			"_id" : ObjectId("53202376058424b87c9d9368"),
			"price" : NumberLong(6468),
			"image1" : {
				"egg" : "0001_c0448ef44bf7fd00476fadf11805d94fe94a5820_655B4C_816_612",
				"baby" : "0001_68415c85528ccf9e763eb48d9dc0fca8a540f701_655B4C_400_300",
				"infant" : "0001_9b0e36f28be91dae81a02863fadce2bc2f196312_655B4C_200_150",
				"newborn" : "0001_72a53f664db6f415e9e862c607d9c0ba177c20af_655B4C_100_75"
			}
		}
	},
	...
	],
	"stats" : {
		"nscanned" : 2,
		"nscannedObjects" : 0,
		"n" : 2,
		"nfound" : 2,
		"timeMicros" : 96
	},
	"ok" : 1
}