just try this search in Google: with modification
site:*.com intitle:"Thank You For Your Purchase" intext:Click Here to Download
so modify this acc. to your requirement like :
site:*.com intitle:"backtrack tutorials" intext:Click Here to Download
site:*.com intitle:"sql injection" intext:Click Here to Download
site:*.com intitle:"Thank You For Your Purchase" intext:Click Here to Download
intitle:Thank you for your Purchase! intext:PLR OR MRR OR Package OR Bonus
intitle:Thank you for your order! intext:PLR OR MRR
intitle:Thank you for your Purchase! intext:PLR OR MRR
inurl:/thankyou*.html intitle:Thank you for your order! intext:Click Here to Download
inurl:thanks intext:"Thank You For Your Order!" "Click Here" filetype:html
intitle:Thank You For Your Order! intext:Private Label
intitle:Thank You For Your Purchased! intext:Private Label
intext:"Thank You For Your Order" intext:PLR
"Thank You For Your Order!" intext:Master Resell filetype:html
"Thank You For Your Order! Your Credit Card Will Show A Charge From"
intitle:"Thank You For Your Order!" intext:download
intitle:"Thank You For Your Order" intext:Click Here To Download Now
intitle:Thank you for your purchase! intext:Click Here to Download
you will get tons of Premium e-book download links in google like this ..only need some modification
Thank your for download!
Thank your for your order!
save target as...
(Note this trick may work with only those pages which are indexed by google )
Plz post your reply... :)
