Should it be a law that college students should start wearing uniforms?
Law AND "College students" AND uniform*
Law AND "university students" AND uniform
Boolean operators
Vegan AND vegetarian Vegan OR vegetarian Vegan NOT vegetarian
Truncation:
Teen* (replaces up to 5 characters)
Teenager, teenagers, teens
cat? (replaces one character)
cat, cats.
"Global warming" (keeps the phrase together)