Select "Go to the Catalog", then "keyword search" and enter terms in the "all fields" box. These terms do not need to be in a set order. Results will be by default organized by relevance; you can switch the list to newest first or oldest first.
An efficient way to search in the library catalog, WorldCat or any database of articles is to use subject terms, which are standardized. Subjects can be combined to narrow a search focus: Wright, Frank AND Chicago. Or to broaden: (city planning OR urban renewal) AND architecture.
In the library catalog, use the BROWSE index and select "SUBJECT" from the drop-down menu.
Some sample searches: