Narrowing a topic requires you to create a specific question about something that interests you. This will focus your research and make your information-gathering process more manageable.
Thinking about the following questions will help you narrow your topic.
Who? is the specific person or group on which you will focus?
What? do you want your readers to know about your issue, problem or question?
Where? is the geographic area or region you would like to study?
When? what time period will be your focus?
How? will you persuade your readers to care about your findings?
Why? is it important to study this topic?
Search Strategies:
For example,
Typing soci* will yield results for
social(s) socialize(d) socialization society societal sociology