Any idea why EasyDiscuss forum post title not picked up by Smart Search

I have done a search on our web site and discovered that the title is missing for our Forum titles. I am using Smart Search.

Here is the search that I did:
https://www.drcarney.com/search?q=Thyroid

The fourth result has no Title. It is NOT showing up in the HTML code.

Here is some good html:

<li>

	<h2 class="result-title ">

		<a href="/blog/entry/use-caution-with-seaweed-consumption">Use Caution with Seaweed Consumption</a>

	</h2>

			<p class="result-text">

			"Under the sea / Darling it's better / down where it's wetter." And if you're a fish or even a Little Mermaid, that's probably true. But for those of us with two legs firmly planted on land, not everything is better under the sea. Some foods from "down...		</p>

				<div class="small muted result-url">

			<a href="https://www.drcarney.com/blog/entry/use-caution-with-seaweed-consumption">https://www.drcarney.com/blog/entry/use-caution-with-seaweed-consumption<;/a>

		</div>

	</li>

Here is HTML that is missing the title:

<li>

	<h2 class="result-title ">

		<a href="/talk/1258-why-is-weight-loss-not-happening-with-vegan-diet#reply-1259"></a>

	</h2>

			<p class="result-text">

			are worth 4 hours of sleep after midnight, when it comes to cortisol, grehlin, and leptin, which influence our weight. Thyroid: I order blood tests for antibodies against the thyroid, which can occur when the immune system is stressed by...		</p>

				<div class="small muted result-url">

			<a href="https://www.drcarney.com/talk/1258-why-is-weight-loss-not-happening-with-vegan-diet#reply-1259">https://www.drcarney.com/talk/1258-why-is-weight-loss-not-happening-with-vegan-diet#reply-1259<;/a>

		</div>

	</li>