Legal encyclopaedias are useful tool to help you find an overview of a legal topic, including references to both case law and legislation.
It is best to search a legal encyclopaedia using a short search string; use a few keywords at most.
If your search term is a "phrase" and it includes more than one words, you might need to place it in double quotation marks: for instance "promissory estoppel" and promissory estoppel will return different results.
Try searching in the table of contents only, and if unsuccessful, expand your search to the full text of the document.
If you know the legal field within which your search term exists, it is often quicker to locate it by browsing. For instance, if you are searching for manslaughter, your browsing path might be:
Criminal Law > Homicide > Manslaughter.
Legal Dictionaries provide definitions of legal terms. They sometimes also provide reference to relevant primary legal sources, e.g. cases or legislation.