Take your research question and pull out important concepts and ideas. These will become the words and phrases you use during your search.
What is the relationship between dog ownership and heart health?
How does universal health care impact healthcare costs in Canada?
What effect do violent films have on children's behavior?
What methods of strength training are most effective in young adults?
How does anxiety correlate with academic performance in teenagers?
Struggling? Identify synonyms to your keywords to use as an alternative.