Check if item contains from List item which is inside another list

Hi,

I am working on C# .Net project.

How I will make Linq query if I need to find the data from List object which is inside List?

public class CoreServicesRules
    {
        public List<CoreServicesProductDetails> CoreServicesProductList { get; set; }
    }


    public class CoreServicesProductDetails
    {   
        public List<string> ProductCodeList { get; set; }
        public string ReplaceProductCodeFromString { get; set; }
        public string ReplaceProductRateWithString { get; set; }
    }

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      Now I wanted to check data from
      

	public List<string> ProductCodeList { get; set; }

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      and I have object for CoreServicesRules
      
      
      I wanted to see if ProductCodeList contains "My product Code".
      
      Please help me with the query.