I found this:
ou can exclude words from your search by using the - operator; any word in your query preceded by the - sign is automatically excluded from the search results. Remember to always include a space before the - sign, and none after
I found it here:
http://www.informit.com/articles/article.aspx?p=675274&seqNum=3
This is known as DNS poisoning, so called because it 'poisons' the entries of the DNS with false information.
A vocational school can also be called all of the following except a certification school.
