http://106.186.120.253/preview/combining-filters.html .
ElasticsearchLogging Service for Web Applications
https://github.com/aspose-pdf-cloud/application-services
Amazon.Elasticsearch
https://github.com/tmlife485/myawskendra
NuSearch
https://github.com/elastic/elasticsearch-net-example
blog
Elasticsearch.net+MiniBlog.Core
https://miroslavpopovic.com/posts/2018/07/elasticsearch-with-aspnet-core-and-docker