The following web sites and library database may help you to identify terms and phrases related to your topic.
Narrowing a topic requires you to be more specific about your research interest. If you are unsure about how to narrow your topic, ask the reporters’ questions “Who,” “What,” “Where,” “When,” and “Why.”
For example:
You want to conduct a project about signage in public buildings. The topic “public signage” is too broad to address in your paper. Ask the reporters’ questions to narrow your topic.
Based on your answers to the reporters’ questions, formulate a focused research topic:
Do U.S. college students prefer directional signage on campus that is modern, rather than classical or traditional? In what ways do they respond to colorful, attractive signage with popular cultural references?