Dynamic Multi Search for EPiServer Find

EPiServer Find’s MultiSearch is great, but has a couple of limitations: All searches need to have a common return type, and IContent searches has to be projected to avoid deserialization errors. 
EPiCode.DynamicMultiSearch removes these limitations.

How it works:
Invoke DynamicMultiSearch and GetDynamicResult to retrieve the result sets

IEnumerable<SearchResults<dynamic>> result = client.DynamicMultiSearch()

    .Search<Product>(x => x.Filter(p => p.ProductTypeId.Match(5)))

    .Search<ArticlePage>(Language.English, x => x.For("lemon")) // works with IContent

    .Search<Book>(x => x.Filter(b => b.Title.AnyWordBeginsWith("lemon")).Skip(20).Take(20)) // individual skip and take per query

    .Search<Person>(x => x.For("Per Magne").Select(p => p.Name)) // works with projections

    .GetDynamicResult()

Use GetResultSet to retrieve the result set, which accepts an int. This number should match the order in which the search was added

var products = result.GetResultSet<Product>(0);

var articlePages = result.GetResultSet<ArticlePage>(1);

var books = result.GetResultSet<Book>(2);

var personNames = result.GetResultSet<string>(3);

Git | Nuget

Read the standard MultiSearch documentation here. If you are new to Find and stumbled across this blogpost you should check of Unified search. It might be just what you need.