Your keywords are the main concepts or ideas of your paper.
For example the keywords for a paper on “youth employment in Canada” would be:
Use synonyms: Often there are multiple ways to express the same concept. For example these synonyms mean essentially the same thing – make sure to use them:
employment can also be:
Use “AND” and “OR”: By bridging your truncated keywords and synonyms with the capitalized search words “AND” and “OR” (known as Boolean operators), you can search for multiple concepts effectively.