The search finds all pages that contain any of the words that I search for, which often bring up dozens and dozens of pages. Surely it isn’t difficult to improve the search capability to find exact phrases, it is far from rocket science, and done by all search engines.
This, for me, is very frustrating, when memex promised so much. It is the most significant shortcoming of this tool, and I’m sure, from my lengthy research on tools for full-text search bookmarking, will be the most disappointing omission.