1. A method of visually coding search results, the method comprising: using a search query containing a plurality of search terms to conduct a search of a plurality of computer readable documents and obtain search results containing a list of returned documents; for each returned document in the list, determining an occurrence frequency of a first search term in the returned document and formulating an occurrence indicator having a color shade based on the occurrence frequency for the first search term, and displaying a first portion of the list in a first format on a display screen, and simultaneously displaying a second portion of the list in a second format on the display screen, wherein the occurrence indicator for the fast search term is displayed beside each returned document in the first format and second format, wherein the number of returned documents displayed in the first portion is greater than the number of returned documents displayed in the second portion.