| Examples: |
| america | Search keywords (full text and metadata) for 'america' |
| south america | Search keywords for 'south' AND 'america' |
| "south america" | Search keywords for the phrase 'south america' |
| america* | Search keywords for the string 'america' followed by 0 or more characters |
| america? | Search keywords for the string 'america' followed by a single character |
