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Use "keyphrases" in a sentence
"With a PPC campaign, however, there is no downside to targeting thousands upon thousands of relevant "long tail" keyphrases, that is, search terms that are comprised of longer strings of words."
"Anywhere where you can look at keywords and keyphrases."
"This process can include researching keyphrases people search for, increasing links to the site, creating valuable optimized content, restructuring site architecture and tweaking HTML code."