Phrase Searching
Put quotation marks " " around phrases to search the term as a phrase. Otherwise, the database or Google may separate the words.
"climate change" "gene therapy" "ethical aspects" "genetic testing"
Boolean Operators
Refine your search results using Boolean operators. The three most common Boolean operators are AND, OR, and NOT, but others are available. The operators AND and NOT will narrow your search and OR will usually increase your search results.
AND - Use AND to find resources with all of your search terms.
“human genetics" AND "ethical aspects"
cancer AND "decision making" AND "quality of life"
"bioengineered foods" AND risks
OR - Use OR to find articles with either search term in them.
"genetically modified organisms" OR GMO
benefits OR risks
"heath care" OR "medical care"
NOT - Use NOT to eliminate terms you do not want in your search results.
"climate change" NOT Antarctica
Combining Terms - Put parentheses () around the ORs if other Boolean operators are used.
cancer AND (aged OR aging) AND treatment AND "ethical aspects"
