Start by brainstorming some keywords that are related to your topic. If your search results are not ideal, try using other terms that have a similar meaning. For example, "cooking" and "cuisine" are similar terms that may provide different results.
Concept mapping is a good way to develop topic ideas and generate keywords.
Using the "Advanced Search" option allows you to search multiple terms at once.
When you find something that is good, you can look at its subject headings and try using some of those terms. They can be found under the book's "Item Details" and look like this:
A few more search tips:
Once you've run a search, use the "Refine My Results" options on the left side of the page. It's a quick way to find the most useful results without scrolling through a lot of items you're not interested in. Options often include: