Search for terms in any order (think of space as an "and" connector) environmental science

Search for terms in exact order (for phrases) "environmental science"

Search for either term environmental or science

Search using wildcards fish*
This will find 'fish', 'fisheries', etc.
So-called "fuzzy" searches judgement~
This is useful for commonly misspelled words. This would find "judgment" or "judgement", etc.
Proximity searches "employee termination"~5
This will find any document that contains these two terms within five words of each other.
Term boosting opioid treatment^2
Boost a term to make it more relevant. If you are interested in the term opioid, but are especially interested in opioid treatment, you would use this.
Boolean operators education -children
education not children
The two searches above work in the same manner. They find documents containing the word education that does not contain the word children.
Grouped searches (education or teaching) and children
This will find documents that contain children, and that also contain EITHER education or teaching