is an option in google adwords but you can play the tool alone look it here:
https://adwords.google.it/o/Targeting/Explorer?__u=1000000000&__c=1000000000&ideaRequestType=KEYWORD_IDEAS#search.none
You can use .htaccess tecnique
try to stop spider with robots.txt on your root folder
use this sintax:
User-agent: *
Disallow: /following
Disallow: /projectnr1