Truncation searches for all forms of a word.
In most databases, the truncation symbol is the asterisk *. Check the help menu to confirm.
Educat* in a search box will bring up results with all words having the root “educat,” such as education, educational, and educators.
Quotation Marks search for phrases. Entering “special education” in the search box will force the search to look for the phrase instead of separating the words.