SharePoint 2013 Search Weirdness

In my presentation at last week's SharePoint Cincy 2015 I had a slide titled "Search Weirdness" that raised a few eyebrows. It had a list of things that are, well, unexpected at the least. As I keep finding more of these "weird" things I thought I should put together a little series of blog articles on them.
Here they are:

1. Part 1: What's a Duplicate? (or where's my purchase order?)
2. Part 2: Can't Find My Videos!
3. Part 3: When do Daily and Weekly Search Alerts Get Sent?
4. Part 4: More Duplication Weirdness
5. Part 5: REST API Ignores Duplicates
6. Part 6:???

Also see:

• SharePoint Search Tip: Search for "title" where there is no "title"!
• SharePoint Search and Dates
• Word Stemming in SharePoint 2013 Search
• SharePoint 2013 Search Spelling Suggestions Confusion?
• SharePoint 2013 Search File Extensions
• Run SharePoint 2013 Search Reports from PowerShell

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