AND vs. OR: Combine your terms with AND when they are 2 different concepts that must be included in your search. Combine your terms with OR when they are synonyms and can be interchanged.
ex: Nurse AND Salary
ex: Nurse OR RN
(_____) Parenthesis: Use parenthesis to group synonyms together with the combining term OR
ex: (Nurse OR RN)
* Asterisk: Use the asterisk to look for all endings of a word by first removing the ending, then adding the asterisk. This is also called Truncation.
ex: nurs* ----> nurse, nurses, nursing
ex: educat* -----> educate, educates, education, educator, educators, etc