The slightly slower Sectional Search Tools (see below) are very word specific, and can be adjusted to look for words, word strings, or even capitalizations. The Sectional tools only search within the directory they are named for.
For years, a large percentage of materials were all located in the LINKS and Research sections. Over the last few years (as the pile grew bigger) materials related to a specific topic were moved to their own named sections (see them below), speeding up every search.
Those sectional search tools were getting too slow, sifting through thousands of files. Now every new tool operates significantly faster. So, although you may wait 3-6 seconds for a result, you'll find what you are looking for, often in spades.