If you are on the full-site (not a phone) you have a couple of choices.
Using the Search in the gold colored top menu, click on the drop down arrow and choose Advanced Search. Then you enter "Outdoor Shower" in QUOTES and tick the Search in Titles option and then search.
If you just search for Outdoor Shower without the quotes you'll see every post with the word outdoor and or shower in the whole database. Using the Quotes limits the search just for Outdoor Shower ONLY. And ticking the Search in Titles option only looks for Threads with Outdoor Shower in the title.
You can also see the Solid Gold Google Search box. That uses Google to search here only. And yes, QUOTES work the same way in the Google Search box.
In fact, in just about all Search Engines out there if you want to limit your search to specific items then put those words in QUOTES.
One other thing. The search here ignores any word with less than 3-letters and it ignores words like and, or, but, not, etc.
Here are some screen shots of those options: