Connect keywords with operators.
| AND joins dissimilar terms. It helps narrow your search. | lying AND morality |
| OR joins similar terms. It helps broaden your search. |
deception OR lying |
| Use AND & OR together, as well. |
(deception OR lying) AND morality |
Find phrases (two words or more) using quotation marks.
Find variations of words using truncation. In many databases, the truncation symbol is an asterisk *.
You do have to be careful, as you might get unexpected results.