I have the following environment:

Win 7
.Net 4.0
Umbraco 4.5.1

I am trying t o implement Examine by using the .Escape() and/ or .Fuzz() modifiers so that the search is more comprehensive. For some reason, I am not able to get to those methods and was curious to see if someone could give me some hints. Here's what I have so far:

var criteria = ExamineManager.Instance
                    .SearchProviderCollection["BioSearcher"]
                    .CreateSearchCriteria(UmbracoExamine.IndexTypes.Content);

            var filter = criteria
               .GroupedOr(new string[] { "nodeName", "pageContent", "pageHeading", "metaDescription", "eventSummary", "newsSummary", "courseTitle", "bioTitle", "bioDescription" }, SearchTerm)
               .Not()
               .Field("umbracoNaviHide", "1")
               .Compile();

            SearchResultsCollection =
                ExamineManager.Instance.SearchProviderCollection["BioSearcher"].Search(filter);

I followed what @slace wrote up in the Farm blog here. 

Thanks!
Nik