Both answers can be found by exploring the sites. Find two explanations of the term Veronica . All search tools look for the words anywhere they appear within the search areas, considering hits as any place either word appears, in any order. A hierarchical search with Gopher or Yahoo is conducted differently than the others. When searching a hierarchical list, it is often best to start with a single search word and narrow things down as you move from screen to screen.
Most search engines present a ranked list of hits.
That is, they examine how many words are located, how close they are to one another, and a few other factors to prioritize the hit list.